31000055054332 has 144 divisors (see below), whose sum is σ = 67541050886400. Its totient is φ = 12189867655680.

The previous prime is 31000055054327. The next prime is 31000055054351. The reversal of 31000055054332 is 23345055000013.

It is a super-2 number, since 2×31000055054332² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31000055054294 and 31000055054303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2311532707 + ... + 2311546117.

It is an arithmetic number, because the mean of its divisors is an integer number (469035075600).

Almost surely, 2^{31000055054332} 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 31000055054332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33770525443200).

31000055054332 is an abundant number, since it is smaller than the sum of its proper divisors (36540995832068).

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

31000055054332 is a wasteful number, since it uses less digits than its factorization.

31000055054332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16356 (or 16341 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 31000055054332 in words is "thirty-one trillion, fifty-five million, fifty-four thousand, three hundred thirty-two".