31022200121010 has 128 divisors (see below), whose sum is σ = 89571356928000. Its totient is φ = 6717326630400.

The previous prime is 31022200120997. The next prime is 31022200121027. The reversal of 31022200121010 is 1012100222013.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 112384141 + ... + 112659839.

It is an arithmetic number, because the mean of its divisors is an integer number (699776226000).

Almost surely, 2^{31022200121010} is an apocalyptic number.

31022200121010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31022200121010 is an abundant number, since it is smaller than the sum of its proper divisors (58549156806990).

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

31022200121010 is a wasteful number, since it uses less digits than its factorization.

31022200121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303936.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 31022200121010 its reverse (1012100222013), we get a palindrome (32034300343023).

The spelling of 31022200121010 in words is "thirty-one trillion, twenty-two billion, two hundred million, one hundred twenty-one thousand, ten".