131202021231000 has 192 divisors, whose sum is σ = 444218322955680. Its totient is φ = 34927600838400.

The previous prime is 131202021230989. The next prime is 131202021231011. The reversal of 131202021231000 is 132120202131.

131202021231000 is a `hidden beast` number, since 1 + 3 + 120 + 20 + 212 + 310 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (131202021230989) and next prime (131202021231011).

It is a super-2 number, since 2×131202021231000² (a number of 29 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7134379 + ... + 17700378.

Almost surely, 2^{131202021231000} is an apocalyptic number.

131202021231000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131202021231000 is an abundant number, since it is smaller than the sum of its proper divisors (313016301724680).

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

131202021231000 is a wasteful number, since it uses less digits than its factorization.

131202021231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24835371 (or 24835354 counting only the distinct ones).

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

Adding to 131202021231000 its reverse (132120202131), we get a palindrome (131334141433131).

The spelling of 131202021231000 in words is "one hundred thirty-one trillion, two hundred two billion, twenty-one million, two hundred thirty-one thousand".