31139069222976 has 448 divisors, whose sum is σ = 101772056365056. Its totient is φ = 8267902156800.

The previous prime is 31139069222941. The next prime is 31139069223029. The reversal of 31139069222976 is 67922296093113.

It is a super-2 number, since 2×31139069222976² (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 63 ways as a sum of consecutive naturals, for example, 82536720 + ... + 82913136.

It is an arithmetic number, because the mean of its divisors is an integer number (227169768672).

Almost surely, 2^{31139069222976} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31139069222976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50886028182528).

31139069222976 is an abundant number, since it is smaller than the sum of its proper divisors (70632987142080).

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

31139069222976 is a wasteful number, since it uses less digits than its factorization.

31139069222976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376610 (or 376600 counting only the distinct ones).

The product of its (nonzero) digits is 13226976, while the sum is 60.

The spelling of 31139069222976 in words is "thirty-one trillion, one hundred thirty-nine billion, sixty-nine million, two hundred twenty-two thousand, nine hundred seventy-six".