313133231330 has 8 divisors (see below), whose sum is σ = 563639816412. Its totient is φ = 125253292528.

The previous prime is 313133231329. The next prime is 313133231407. The reversal of 313133231330 is 33132331313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 285590841649 + 27542389681 = 534407^2 + 165959^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 313133231330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15656661557 + ... + 15656661576.

Almost surely, 2^313133231330 is an apocalyptic number.

313133231330 is a deficient number, since it is larger than the sum of its proper divisors (250506585082).

313133231330 is a wasteful number, since it uses less digits than its factorization.

313133231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31313323140.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 313133231330 its reverse (33132331313), we get a palindrome (346265562643).

The spelling of 313133231330 in words is "three hundred thirteen billion, one hundred thirty-three million, two hundred thirty-one thousand, three hundred thirty".