3216345622431 has 48 divisors (see below), whose sum is σ = 4677382045440. Its totient is φ = 1960412509440.

The previous prime is 3216345622411. The next prime is 3216345622459. The reversal of 3216345622431 is 1342265436123.

It is not a de Polignac number, because 3216345622431 - 2¹³ = 3216345614239 is a prime.

It is a super-2 number, since 2×3216345622431² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216345622411) 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, 110767891 + ... + 110796923.

It is an arithmetic number, because the mean of its divisors is an integer number (97445459280).

Almost surely, 2^{3216345622431} is an apocalyptic number.

3216345622431 is a deficient number, since it is larger than the sum of its proper divisors (1461036423009).

3216345622431 is a wasteful number, since it uses less digits than its factorization.

3216345622431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31424 (or 31395 counting only the distinct ones).

The product of its digits is 622080, while the sum is 42.

The spelling of 3216345622431 in words is "three trillion, two hundred sixteen billion, three hundred forty-five million, six hundred twenty-two thousand, four hundred thirty-one".