31132123112130 has 32 divisors (see below), whose sum is σ = 74778490047744. Its totient is φ = 8295077876736.

The previous prime is 31132123112089. The next prime is 31132123112141. The reversal of 31132123112130 is 3121132123113.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31132123112130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426314122 + ... + 426387141.

It is an arithmetic number, because the mean of its divisors is an integer number (2336827813992).

Almost surely, 2^{31132123112130} is an apocalyptic number.

31132123112130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31132123112130 is an abundant number, since it is smaller than the sum of its proper divisors (43646366935614).

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

31132123112130 is a wasteful number, since it uses less digits than its factorization.

31132123112130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852702490.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 31132123112130 its reverse (3121132123113), we get a palindrome (34253255235243).

The spelling of 31132123112130 in words is "thirty-one trillion, one hundred thirty-two billion, one hundred twenty-three million, one hundred twelve thousand, one hundred thirty".