31200010311332 has 72 divisors (see below), whose sum is σ = 59443358839368. Its totient is φ = 14317502054400.

The previous prime is 31200010311319. The next prime is 31200010311347. The reversal of 31200010311332 is 23311301000213.

It can be written as a sum of positive squares in 12 ways, for example, as 2370047934016 + 28829962377316 = 1539496^2 + 5369354^2 .

It is a super-2 number, since 2×31200010311332² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101131232 + ... + 101439272.

Almost surely, 2^{31200010311332} is an apocalyptic number.

It is an amenable number.

31200010311332 is a deficient number, since it is larger than the sum of its proper divisors (28243348528036).

31200010311332 is a wasteful number, since it uses less digits than its factorization.

31200010311332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310257 (or 310238 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31200010311332 its reverse (23311301000213), we get a palindrome (54511311311545).

The spelling of 31200010311332 in words is "thirty-one trillion, two hundred billion, ten million, three hundred eleven thousand, three hundred thirty-two".