31030010002200 has 96 divisors (see below), whose sum is σ = 104937852029760. Its totient is φ = 7522426665600.

The previous prime is 31030010002171. The next prime is 31030010002307. The reversal of 31030010002200 is 220001003013.

It is a happy number.

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 (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2350751734 + ... + 2350764933.

It is an arithmetic number, because the mean of its divisors is an integer number (1093102625310).

Almost surely, 2^{31030010002200} is an apocalyptic number.

31030010002200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31030010002200 is an abundant number, since it is smaller than the sum of its proper divisors (73907842027560).

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

31030010002200 is a wasteful number, since it uses less digits than its factorization.

31030010002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701516697 (or 4701516688 counting only the distinct ones).

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

Adding to 31030010002200 its reverse (220001003013), we get a palindrome (31250011005213).

The spelling of 31030010002200 in words is "thirty-one trillion, thirty billion, ten million, two thousand, two hundred".