31020473452122 has 72 divisors (see below), whose sum is σ = 85291914045312. Its totient is φ = 8057265829200.

The previous prime is 31020473452079. The next prime is 31020473452123. The reversal of 31020473452122 is 22125437402013.

31020473452122 is a `hidden beast` number, since 3 + 1 + 0 + 20 + 473 + 45 + 2 + 122 = 666.

It is not an unprimeable number, because it can be changed into a prime (31020473452123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1598654154 + ... + 1598673557.

It is an arithmetic number, because the mean of its divisors is an integer number (1184609917296).

Almost surely, 2^{31020473452122} is an apocalyptic number.

31020473452122 is an abundant number, since it is smaller than the sum of its proper divisors (54271440593190).

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

31020473452122 is a wasteful number, since it uses less digits than its factorization.

31020473452122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197327744 (or 3197327734 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The spelling of 31020473452122 in words is "thirty-one trillion, twenty billion, four hundred seventy-three million, four hundred fifty-two thousand, one hundred twenty-two".