13231051 has 4 divisors (see below), whose sum is σ = 13320000. Its totient is φ = 13142104.

The previous prime is 13231027. The next prime is 13231061. The reversal of 13231051 is 15013231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15013231 = 37 ⋅405763.

It is a cyclic number.

It is not a de Polignac number, because 13231051 - 2⁵ = 13231019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231061) 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, 44251 + ... + 44548.

It is an arithmetic number, because the mean of its divisors is an integer number (3330000).

Almost surely, 2^13231051 is an apocalyptic number.

13231051 is a deficient number, since it is larger than the sum of its proper divisors (88949).

13231051 is an equidigital number, since it uses as much as digits as its factorization.

13231051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88948.

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

The square root of 13231051 is about 3637.4511680571. The cubic root of 13231051 is about 236.5183176190.

Adding to 13231051 its reverse (15013231), we get a palindrome (28244282).

The spelling of 13231051 in words is "thirteen million, two hundred thirty-one thousand, fifty-one".