31126326654216 has 32 divisors (see below), whose sum is σ = 77843838342240. Its totient is φ = 10371705990528.

The previous prime is 31126326654161. The next prime is 31126326654223. The reversal of 31126326654216 is 61245662362113.

It is a super-3 number, since 3×31126326654216³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233446186 + ... + 233579481.

It is an arithmetic number, because the mean of its divisors is an integer number (2432619948195).

Almost surely, 2^{31126326654216} is an apocalyptic number.

It is an amenable number.

31126326654216 is an abundant number, since it is smaller than the sum of its proper divisors (46717511688024).

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

31126326654216 is a wasteful number, since it uses less digits than its factorization.

31126326654216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467028453 (or 467028449 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 48.

The spelling of 31126326654216 in words is "thirty-one trillion, one hundred twenty-six billion, three hundred twenty-six million, six hundred fifty-four thousand, two hundred sixteen".