315254233013 has 4 divisors (see below), whose sum is σ = 322585726848. Its totient is φ = 307922739180.

The previous prime is 315254232991. The next prime is 315254233061. The reversal of 315254233013 is 310332452513.

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, and also an emirpimes, since its reverse is a distinct semiprime: 310332452513 = 83 ⋅3738945211.

It is a cyclic number.

It is not a de Polignac number, because 315254233013 - 2⁶ = 315254232949 is a prime.

It is a super-2 number, since 2×315254233013² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315254233913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3665746853 + ... + 3665746938.

It is an arithmetic number, because the mean of its divisors is an integer number (80646431712).

Almost surely, 2^315254233013 is an apocalyptic number.

It is an amenable number.

315254233013 is a deficient number, since it is larger than the sum of its proper divisors (7331493835).

315254233013 is an equidigital number, since it uses as much as digits as its factorization.

315254233013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331493834.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 315254233013 its reverse (310332452513), we get a palindrome (625586685526).

The spelling of 315254233013 in words is "three hundred fifteen billion, two hundred fifty-four million, two hundred thirty-three thousand, thirteen".