313142837 has 4 divisors (see below), whose sum is σ = 357877536. Its totient is φ = 268408140.

The previous prime is 313142833. The next prime is 313142887. The reversal of 313142837 is 738241313.

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 not a de Polignac number, because 313142837 - 2² = 313142833 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313142833) 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, 22367339 + ... + 22367352.

It is an arithmetic number, because the mean of its divisors is an integer number (89469384).

Almost surely, 2^313142837 is an apocalyptic number.

It is an amenable number.

313142837 is a deficient number, since it is larger than the sum of its proper divisors (44734699).

313142837 is an equidigital number, since it uses as much as digits as its factorization.

313142837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44734698.

The product of its digits is 12096, while the sum is 32.

The square root of 313142837 is about 17695.8423648042. The cubic root of 313142837 is about 679.0693996043.

The spelling of 313142837 in words is "three hundred thirteen million, one hundred forty-two thousand, eight hundred thirty-seven".