131001142250 has 64 divisors (see below), whose sum is σ = 270126095616. Its totient is φ = 47174184000.

The previous prime is 131001142219. The next prime is 131001142267. The reversal of 131001142250 is 52241100131.

It is a super-2 number, since 2×131001142250² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52004 + ... + 514496.

It is an arithmetic number, because the mean of its divisors is an integer number (4220720244).

Almost surely, 2^131001142250 is an apocalyptic number.

131001142250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131001142250 is an abundant number, since it is smaller than the sum of its proper divisors (139124953366).

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

131001142250 is a wasteful number, since it uses less digits than its factorization.

131001142250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462624 (or 462614 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 131001142250 its reverse (52241100131), we get a palindrome (183242242381).

The spelling of 131001142250 in words is "one hundred thirty-one billion, one million, one hundred forty-two thousand, two hundred fifty".