231222011310000 has 150 divisors (see below), whose sum is σ = 808616772600780. Its totient is φ = 61659202992000.

The previous prime is 231222011309999. The next prime is 231222011310041. The reversal of 231222011310000 is 13110222132.

231222011310000 is a `hidden beast` number, since 2 + 312 + 220 + 1 + 131 + 0 + 0 + 0 + 0 = 666.

231222011310000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (150).

It is a super-2 number, since 2×231222011310000² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1284476730 + ... + 1284656729.

Almost surely, 2^{231222011310000} is an apocalyptic number.

231222011310000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231222011310000 is an abundant number, since it is smaller than the sum of its proper divisors (577394761290780).

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

231222011310000 is a wasteful number, since it uses less digits than its factorization.

231222011310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569133493 (or 2569133469 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231222011310000 its reverse (13110222132), we get a palindrome (231235121532132).

The spelling of 231222011310000 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, eleven million, three hundred ten thousand".