31401353304 has 24 divisors (see below), whose sum is σ = 85045332060. Its totient is φ = 10467117744.

The previous prime is 31401353303. The next prime is 31401353317. The reversal of 31401353304 is 40335310413.

31401353304 is a `hidden beast` number, since 3 + 1 + 4 + 0 + 1 + 353 + 304 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31401353303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 218064882 + ... + 218065025.

Almost surely, 2^31401353304 is an apocalyptic number.

It is an amenable number.

31401353304 is an abundant number, since it is smaller than the sum of its proper divisors (53643978756).

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

31401353304 is a wasteful number, since it uses less digits than its factorization.

31401353304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436129919 (or 436129912 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 31401353304 its reverse (40335310413), we get a palindrome (71736663717).

The spelling of 31401353304 in words is "thirty-one billion, four hundred one million, three hundred fifty-three thousand, three hundred four".