131051023 has 4 divisors (see below), whose sum is σ = 131096160. Its totient is φ = 131005888.

The previous prime is 131050991. The next prime is 131051051. The reversal of 131051023 is 320150131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131051023 - 2⁵ = 131050991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131050988 and 131051006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131051093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17890 + ... + 24127.

It is an arithmetic number, because the mean of its divisors is an integer number (32774040).

Almost surely, 2^131051023 is an apocalyptic number.

131051023 is a deficient number, since it is larger than the sum of its proper divisors (45137).

131051023 is an equidigital number, since it uses as much as digits as its factorization.

131051023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45136.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 131051023 is about 11447.7518753684. The cubic root of 131051023 is about 507.9412364602.

The spelling of 131051023 in words is "one hundred thirty-one million, fifty-one thousand, twenty-three".