31022130000 has 100 divisors (see below), whose sum is σ = 100143668768. Its totient is φ = 8272560000.

The previous prime is 31022129953. The next prime is 31022130047. The reversal of 31022130000 is 3122013.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31022129953) and next prime (31022130047).

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 487036 + ... + 547035.

Almost surely, 2^31022130000 is an apocalyptic number.

31022130000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31022130000 is an abundant number, since it is smaller than the sum of its proper divisors (69121538768).

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

31022130000 is a wasteful number, since it uses less digits than its factorization.

31022130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034102 (or 1034081 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 31022130000 its reverse (3122013), we get a palindrome (31025252013).

The spelling of 31022130000 in words is "thirty-one billion, twenty-two million, one hundred thirty thousand".