131324430 has 32 divisors (see below), whose sum is σ = 316423584. Its totient is φ = 34881536.

The previous prime is 131324429. The next prime is 131324443. The reversal of 131324430 is 34423131.

It is a super-2 number, since 2×131324430² = 34492211829649800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131324397 and 131324406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807 + ... + 16226.

It is an arithmetic number, because the mean of its divisors is an integer number (9888237).

Almost surely, 2^131324430 is an apocalyptic number.

131324430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131324430 is an abundant number, since it is smaller than the sum of its proper divisors (185099154).

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

131324430 is a wasteful number, since it uses less digits than its factorization.

131324430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17300.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 131324430 is about 11459.6871685051. The cubic root of 131324430 is about 508.2942242300.

Adding to 131324430 its reverse (34423131), we get a palindrome (165747561).

The spelling of 131324430 in words is "one hundred thirty-one million, three hundred twenty-four thousand, four hundred thirty".