3132311645320 has 128 divisors (see below), whose sum is σ = 8639809194240. Its totient is φ = 1005691991040.

The previous prime is 3132311645303. The next prime is 3132311645399. The reversal of 3132311645320 is 235461132313.

It is a super-2 number, since 2×3132311645320² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11772939 + ... + 12036058.

It is an arithmetic number, because the mean of its divisors is an integer number (67498509330).

Almost surely, 2^{3132311645320} is an apocalyptic number.

It is an amenable number.

3132311645320 is an abundant number, since it is smaller than the sum of its proper divisors (5507497548920).

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

3132311645320 is a wasteful number, since it uses less digits than its factorization.

3132311645320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23809055 (or 23809051 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 3132311645320 its reverse (235461132313), we get a palindrome (3367772777633).

The spelling of 3132311645320 in words is "three trillion, one hundred thirty-two billion, three hundred eleven million, six hundred forty-five thousand, three hundred twenty".