131013000123 has 8 divisors (see below), whose sum is σ = 176788627008. Its totient is φ = 86289686664.

The previous prime is 131013000119. The next prime is 131013000137. The reversal of 131013000123 is 321000310131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131013000123 - 2² = 131013000119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131013000193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263078065 + ... + 263078562.

It is an arithmetic number, because the mean of its divisors is an integer number (22098578376).

Almost surely, 2^131013000123 is an apocalyptic number.

131013000123 is a deficient number, since it is larger than the sum of its proper divisors (45775626885).

131013000123 is an equidigital number, since it uses as much as digits as its factorization.

131013000123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526156713.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 131013000123 its reverse (321000310131), we get a palindrome (452013310254).

The spelling of 131013000123 in words is "one hundred thirty-one billion, thirteen million, one hundred twenty-three", and thus it is an aban number.