31102432424 has 32 divisors (see below), whose sum is σ = 66660597120. Its totient is φ = 13327108416.

The previous prime is 31102432421. The next prime is 31102432441. The reversal of 31102432424 is 42423420113.

It is a super-2 number, since 2×31102432424² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31102432393 and 31102432402.

It is not an unprimeable number, because it can be changed into a prime (31102432421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265502 + ... + 364274.

It is an arithmetic number, because the mean of its divisors is an integer number (2083143660).

Almost surely, 2^31102432424 is an apocalyptic number.

It is an amenable number.

31102432424 is an abundant number, since it is smaller than the sum of its proper divisors (35558164696).

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

31102432424 is a wasteful number, since it uses less digits than its factorization.

31102432424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104409 (or 104405 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31102432424 its reverse (42423420113), we get a palindrome (73525852537).

The spelling of 31102432424 in words is "thirty-one billion, one hundred two million, four hundred thirty-two thousand, four hundred twenty-four".