313130002 has 8 divisors (see below), whose sum is σ = 470724156. Its totient is φ = 156221952.

The previous prime is 313129969. The next prime is 313130003. The reversal of 313130002 is 200031313.

It can be written as a sum of positive squares in 2 ways, for example, as 238980681 + 74149321 = 15459^2 + 8611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (313130003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170383 + ... + 172210.

Almost surely, 2^313130002 is an apocalyptic number.

313130002 is a deficient number, since it is larger than the sum of its proper divisors (157594154).

313130002 is a wasteful number, since it uses less digits than its factorization.

313130002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343052.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 313130002 is about 17695.4797052807. The cubic root of 313130002 is about 679.0601216499.

Adding to 313130002 its reverse (200031313), we get a palindrome (513161315).

It can be divided in two parts, 3131 and 30002, that added together give a palindrome (33133).

The spelling of 313130002 in words is "three hundred thirteen million, one hundred thirty thousand, two".