31011144512130 has 48 divisors (see below), whose sum is σ = 80629251094080. Its totient is φ = 8269610294304.

The previous prime is 31011144512129. The next prime is 31011144512147. The reversal of 31011144512130 is 3121544111013.

31011144512130 is a `hidden beast` number, since 3 + 1 + 0 + 1 + 1 + 1 + 445 + 1 + 213 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 31011144512094 and 31011144512103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49013131 + ... + 49641809.

It is an arithmetic number, because the mean of its divisors is an integer number (1679776064460).

Almost surely, 2^{31011144512130} is an apocalyptic number.

31011144512130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31011144512130 is an abundant number, since it is smaller than the sum of its proper divisors (49618106581950).

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

31011144512130 is a wasteful number, since it uses less digits than its factorization.

31011144512130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176775 (or 1176772 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 31011144512130 its reverse (3121544111013), we get a palindrome (34132688623143).

The spelling of 31011144512130 in words is "thirty-one trillion, eleven billion, one hundred forty-four million, five hundred twelve thousand, one hundred thirty".