131320011023100 has 54 divisors (see below), whose sum is σ = 411615278998560. Its totient is φ = 35018669605920.

The previous prime is 131320011023077. The next prime is 131320011023101. The reversal of 131320011023100 is 1320110023131.

131320011023100 is a `hidden beast` number, since 1 + 3 + 1 + 320 + 0 + 110 + 231 + 0 + 0 = 666.

It is a super-2 number, since 2×131320011023100² (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 not an unprimeable number, because it can be changed into a prime (131320011023101) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 72955560780 + ... + 72955562579.

It is an arithmetic number, because the mean of its divisors is an integer number (7622505166640).

Almost surely, 2^{131320011023100} is an apocalyptic number.

131320011023100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131320011023100 is an abundant number, since it is smaller than the sum of its proper divisors (280295267975460).

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

131320011023100 is a wasteful number, since it uses less digits than its factorization.

131320011023100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145911123379 (or 145911123369 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131320011023100 its reverse (1320110023131), we get a palindrome (132640121046231).

The spelling of 131320011023100 in words is "one hundred thirty-one trillion, three hundred twenty billion, eleven million, twenty-three thousand, one hundred".