131030051 has 4 divisors (see below), whose sum is σ = 131381712. Its totient is φ = 130678392.

The previous prime is 131030047. The next prime is 131030069. The reversal of 131030051 is 150030131.

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 131030051 - 2² = 131030047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131030071) 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, 175271 + ... + 176016.

It is an arithmetic number, because the mean of its divisors is an integer number (32845428).

Almost surely, 2^131030051 is an apocalyptic number.

131030051 is a deficient number, since it is larger than the sum of its proper divisors (351661).

131030051 is an equidigital number, since it uses as much as digits as its factorization.

131030051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351660.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 131030051 is about 11446.8358510114. The cubic root of 131030051 is about 507.9141398591.

Adding to 131030051 its reverse (150030131), we get a palindrome (281060182).

The spelling of 131030051 in words is "one hundred thirty-one million, thirty thousand, fifty-one".