131103111000 has 64 divisors (see below), whose sum is σ = 409041715680. Its totient is φ = 34960828800.

The previous prime is 131103110989. The next prime is 131103111001. The reversal of 131103111000 is 111301131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103111001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21847519 + ... + 21853518.

Almost surely, 2^131103111000 is an apocalyptic number.

131103111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131103111000 is an abundant number, since it is smaller than the sum of its proper divisors (277938604680).

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

131103111000 is a wasteful number, since it uses less digits than its factorization.

131103111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43701061 (or 43701047 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 12.

Adding to 131103111000 its reverse (111301131), we get a palindrome (131214412131).

The spelling of 131103111000 in words is "one hundred thirty-one billion, one hundred three million, one hundred eleven thousand".