313262042 has 4 divisors (see below), whose sum is σ = 469893066. Its totient is φ = 156631020.

The previous prime is 313262021. The next prime is 313262083. The reversal of 313262042 is 240262313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240262313 = 1483 ⋅162011.

It can be written as a sum of positive squares in only one way, i.e., 290327521 + 22934521 = 17039^2 + 4789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313261999 and 313262017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78315509 + ... + 78315512.

Almost surely, 2^313262042 is an apocalyptic number.

313262042 is a deficient number, since it is larger than the sum of its proper divisors (156631024).

313262042 is a wasteful number, since it uses less digits than its factorization.

313262042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156631023.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 313262042 is about 17699.2102083681. The cubic root of 313262042 is about 679.1555564511.

The spelling of 313262042 in words is "three hundred thirteen million, two hundred sixty-two thousand, forty-two".