125331123313 has 4 divisors (see below), whose sum is σ = 136724861808. Its totient is φ = 113937384820.

The previous prime is 125331123301. The next prime is 125331123343. The reversal of 125331123313 is 313321133521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125331123313 - 2²⁵ = 125297568881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125331123343) 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, 5696869231 + ... + 5696869252.

It is an arithmetic number, because the mean of its divisors is an integer number (34181215452).

Almost surely, 2^125331123313 is an apocalyptic number.

It is an amenable number.

125331123313 is a deficient number, since it is larger than the sum of its proper divisors (11393738495).

125331123313 is a wasteful number, since it uses less digits than its factorization.

125331123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11393738494.

The product of its digits is 4860, while the sum is 28.

Adding to 125331123313 its reverse (313321133521), we get a palindrome (438652256834).

The spelling of 125331123313 in words is "one hundred twenty-five billion, three hundred thirty-one million, one hundred twenty-three thousand, three hundred thirteen".