31004340052 has 48 divisors (see below), whose sum is σ = 63477420160. Its totient is φ = 12973105152.

The previous prime is 31004340047. The next prime is 31004340113. The reversal of 31004340052 is 25004340013.

It is a super-2 number, since 2×31004340052² (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 15 ways as a sum of consecutive naturals, for example, 4245268 + ... + 4252564.

Almost surely, 2^31004340052 is an apocalyptic number.

It is an amenable number.

31004340052 is an abundant number, since it is smaller than the sum of its proper divisors (32473080108).

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

31004340052 is a wasteful number, since it uses less digits than its factorization.

31004340052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880 (or 10878 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 31004340052 its reverse (25004340013), we get a palindrome (56008680065).

The spelling of 31004340052 in words is "thirty-one billion, four million, three hundred forty thousand, fifty-two".