31404422130 has 32 divisors (see below), whose sum is σ = 75465238464. Its totient is φ = 8363998656.

The previous prime is 31404422117. The next prime is 31404422143. The reversal of 31404422130 is 3122440413.

It is an interprime number because it is at equal distance from previous prime (31404422117) and next prime (31404422143).

It is a self number, because there is not a number n which added to its sum of digits gives 31404422130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632812 + ... + 680631.

It is an arithmetic number, because the mean of its divisors is an integer number (2358288702).

Almost surely, 2^31404422130 is an apocalyptic number.

31404422130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31404422130 is an abundant number, since it is smaller than the sum of its proper divisors (44060816334).

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

31404422130 is a wasteful number, since it uses less digits than its factorization.

31404422130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314250.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 31404422130 its reverse (3122440413), we get a palindrome (34526862543).

The spelling of 31404422130 in words is "thirty-one billion, four hundred four million, four hundred twenty-two thousand, one hundred thirty".