2431320120 has 96 divisors (see below), whose sum is σ = 8019807120. Its totient is φ = 638668800.

The previous prime is 2431320107. The next prime is 2431320121. The reversal of 2431320120 is 210231342.

It is a super-2 number, since 2×2431320120² = 11822635051833628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2431320093 and 2431320102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431320121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26281 + ... + 74520.

Almost surely, 2^2431320120 is an apocalyptic number.

2431320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2431320120 is an abundant number, since it is smaller than the sum of its proper divisors (5588487000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2431320120 is a wasteful number, since it uses less digits than its factorization.

2431320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100885 (or 100878 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2431320120 is about 49308.4183481888. The cubic root of 2431320120 is about 1344.6648363561.

Adding to 2431320120 its reverse (210231342), we get a palindrome (2641551462).

The spelling of 2431320120 in words is "two billion, four hundred thirty-one million, three hundred twenty thousand, one hundred twenty".