313241402 has 4 divisors (see below), whose sum is σ = 469862106. Its totient is φ = 156620700.

The previous prime is 313241387. The next prime is 313241407. The reversal of 313241402 is 204142313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204142313 = 1303 ⋅156671.

It can be written as a sum of positive squares in only one way, i.e., 310147321 + 3094081 = 17611^2 + 1759^2 .

It is not an unprimeable number, because it can be changed into a prime (313241407) by changing a digit.

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, 78310349 + ... + 78310352.

Almost surely, 2^313241402 is an apocalyptic number.

313241402 is a deficient number, since it is larger than the sum of its proper divisors (156620704).

313241402 is a wasteful number, since it uses less digits than its factorization.

313241402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156620703.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 313241402 is about 17698.6271218985. The cubic root of 313241402 is about 679.1406402077.

Adding to 313241402 its reverse (204142313), we get a palindrome (517383715).

The spelling of 313241402 in words is "three hundred thirteen million, two hundred forty-one thousand, four hundred two".