103131131000 has 96 divisors (see below), whose sum is σ = 242666882640. Its totient is φ = 41024000000.

The previous prime is 103131130979. The next prime is 103131131027. The reversal of 103131131000 is 131131301.

It is a happy number.

It is a super-2 number, since 2×103131131000² (a number of 23 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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160890680 + ... + 160891320.

Almost surely, 2^103131131000 is an apocalyptic number.

103131131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103131131000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121333441320).

103131131000 is an abundant number, since it is smaller than the sum of its proper divisors (139535751640).

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

103131131000 is an frugal number, since it uses more digits than its factorization.

103131131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 14.

Adding to 103131131000 its reverse (131131301), we get a palindrome (103262262301).

The spelling of 103131131000 in words is "one hundred three billion, one hundred thirty-one million, one hundred thirty-one thousand".