31242627804 has 24 divisors (see below), whose sum is σ = 72909365760. Its totient is φ = 10412794864.

The previous prime is 31242627791. The next prime is 31242627883. The reversal of 31242627804 is 40872624213.

It is a happy number.

It is a super-2 number, since 2×31242627804² (a number of 22 digits) contains 22 as substring.

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, 82764 + ... + 263315.

It is an arithmetic number, because the mean of its divisors is an integer number (3037890240).

Almost surely, 2^31242627804 is an apocalyptic number.

It is an amenable number.

31242627804 is an abundant number, since it is smaller than the sum of its proper divisors (41666737956).

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

31242627804 is a wasteful number, since it uses less digits than its factorization.

31242627804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353609 (or 353607 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 31242627804 in words is "thirty-one billion, two hundred forty-two million, six hundred twenty-seven thousand, eight hundred four".