31004304100 has 108 divisors (see below), whose sum is σ = 85378754160. Its totient is φ = 9663662400.

The previous prime is 31004304091. The next prime is 31004304103. The reversal of 31004304100 is 140340013.

It is a super-2 number, since 2×31004304100² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31004304103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 233710 + ... + 341509.

It is an arithmetic number, because the mean of its divisors is an integer number (790544020).

Almost surely, 2^31004304100 is an apocalyptic number.

It is an amenable number.

31004304100 is an abundant number, since it is smaller than the sum of its proper divisors (54374450060).

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

31004304100 is a wasteful number, since it uses less digits than its factorization.

31004304100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575258 (or 575244 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31004304100 its reverse (140340013), we get a palindrome (31144644113).

The spelling of 31004304100 in words is "thirty-one billion, four million, three hundred four thousand, one hundred".