31522412141040 has 40 divisors (see below), whose sum is σ = 97719477637968. Its totient is φ = 8405976570880.

The previous prime is 31522412140993. The next prime is 31522412141057. The reversal of 31522412141040 is 4014121422513.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 31522412140989 and 31522412141007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65671691721 + ... + 65671692200.

Almost surely, 2^{31522412141040} is an apocalyptic number.

31522412141040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31522412141040 is an abundant number, since it is smaller than the sum of its proper divisors (66197065496928).

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

31522412141040 is a wasteful number, since it uses less digits than its factorization.

31522412141040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131343383937 (or 131343383931 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 31522412141040 its reverse (4014121422513), we get a palindrome (35536533563553).

The spelling of 31522412141040 in words is "thirty-one trillion, five hundred twenty-two billion, four hundred twelve million, one hundred forty-one thousand, forty".