313404133442 has 4 divisors (see below), whose sum is σ = 470106200166. Its totient is φ = 156702066720.

The previous prime is 313404133409. The next prime is 313404133487. The reversal of 313404133442 is 244331404313.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 310883189761 + 2520943681 = 557569^2 + 50209^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313404133399 and 313404133408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78351033359 + ... + 78351033362.

Almost surely, 2^313404133442 is an apocalyptic number.

313404133442 is a deficient number, since it is larger than the sum of its proper divisors (156702066724).

313404133442 is a wasteful number, since it uses less digits than its factorization.

313404133442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156702066723.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 313404133442 its reverse (244331404313), we get a palindrome (557735537755).

The spelling of 313404133442 in words is "three hundred thirteen billion, four hundred four million, one hundred thirty-three thousand, four hundred forty-two".