313033049402 has 4 divisors (see below), whose sum is σ = 469549574106. Its totient is φ = 156516524700.

The previous prime is 313033049359. The next prime is 313033049431. The reversal of 313033049402 is 204940330313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204940330313 = 31189 ⋅6570917.

It can be written as a sum of positive squares in only one way, i.e., 242133869041 + 70899180361 = 492071^2 + 266269^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78258262349 + ... + 78258262352.

Almost surely, 2^313033049402 is an apocalyptic number.

313033049402 is a deficient number, since it is larger than the sum of its proper divisors (156516524704).

313033049402 is a wasteful number, since it uses less digits than its factorization.

313033049402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156516524703.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 313033049402 its reverse (204940330313), we get a palindrome (517973379715).

The spelling of 313033049402 in words is "three hundred thirteen billion, thirty-three million, forty-nine thousand, four hundred two".