131001022231000 has 64 divisors (see below), whose sum is σ = 311738025924000. Its totient is φ = 51512266345600.

The previous prime is 131001022230919. The next prime is 131001022231033. The reversal of 131001022231000 is 132220100131.

It is a super-2 number, since 2×131001022231000² (a number of 29 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1110119155 + ... + 1110237154.

Almost surely, 2^{131001022231000} is an apocalyptic number.

131001022231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131001022231000 is an abundant number, since it is smaller than the sum of its proper divisors (180737003693000).

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

131001022231000 is a wasteful number, since it uses less digits than its factorization.

131001022231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220356389 (or 2220356375 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 131001022231000 its reverse (132220100131), we get a palindrome (131133242331131).

The spelling of 131001022231000 in words is "one hundred thirty-one trillion, one billion, twenty-two million, two hundred thirty-one thousand".