3215315132231 has 48 divisors (see below), whose sum is σ = 3523492393344. Its totient is φ = 2931355006272.

The previous prime is 3215315132171. The next prime is 3215315132243. The reversal of 3215315132231 is 1322315135123.

It is not a de Polignac number, because 3215315132231 - 2¹⁸ = 3215314870087 is a prime.

It is a super-2 number, since 2×3215315132231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215315132261) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163063385 + ... + 163083101.

It is an arithmetic number, because the mean of its divisors is an integer number (73406091528).

Almost surely, 2^{3215315132231} is an apocalyptic number.

3215315132231 is a deficient number, since it is larger than the sum of its proper divisors (308177261113).

3215315132231 is a wasteful number, since it uses less digits than its factorization.

3215315132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980 (or 19957 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The spelling of 3215315132231 in words is "three trillion, two hundred fifteen billion, three hundred fifteen million, one hundred thirty-two thousand, two hundred thirty-one".