31020434324 has 24 divisors (see below), whose sum is σ = 59831361408. Its totient is φ = 13954832640.

The previous prime is 31020434317. The next prime is 31020434353. The reversal of 31020434324 is 42343402013.

It is a junction number, because it is equal to n+sod(n) for n = 31020434293 and 31020434302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3629804 + ... + 3638339.

It is an arithmetic number, because the mean of its divisors is an integer number (2492973392).

Almost surely, 2^31020434324 is an apocalyptic number.

It is an amenable number.

31020434324 is a deficient number, since it is larger than the sum of its proper divisors (28810927084).

31020434324 is a wasteful number, since it uses less digits than its factorization.

31020434324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268255 (or 7268253 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31020434324 its reverse (42343402013), we get a palindrome (73363836337).

The spelling of 31020434324 in words is "thirty-one billion, twenty million, four hundred thirty-four thousand, three hundred twenty-four".