313421002 has 4 divisors (see below), whose sum is σ = 470131506. Its totient is φ = 156710500.

The previous prime is 313420997. The next prime is 313421033. The reversal of 313421002 is 200124313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200124313 = 31 ⋅6455623.

It can be written as a sum of positive squares in only one way, i.e., 281937681 + 31483321 = 16791^2 + 5611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78355249 + ... + 78355252.

Almost surely, 2^313421002 is an apocalyptic number.

313421002 is a deficient number, since it is larger than the sum of its proper divisors (156710504).

313421002 is a wasteful number, since it uses less digits than its factorization.

313421002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156710503.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 313421002 is about 17703.7002346967. The cubic root of 313421002 is about 679.2704127027.

Adding to 313421002 its reverse (200124313), we get a palindrome (513545315).

The spelling of 313421002 in words is "three hundred thirteen million, four hundred twenty-one thousand, two".