313131011002 has 8 divisors (see below), whose sum is σ = 469702227456. Its totient is φ = 156563601852.

The previous prime is 313131010987. The next prime is 313131011023. The reversal of 313131011002 is 200110131313.

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

It is a super-2 number, since 2×313131011002² (a number of 24 digits) contains 22 as substring.

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, 736468 + ... + 1081039.

It is an arithmetic number, because the mean of its divisors is an integer number (58712778432).

Almost surely, 2^313131011002 is an apocalyptic number.

313131011002 is a deficient number, since it is larger than the sum of its proper divisors (156571216454).

313131011002 is a wasteful number, since it uses less digits than its factorization.

313131011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1903652.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 313131011002 its reverse (200110131313), we get a palindrome (513241142315).

The spelling of 313131011002 in words is "three hundred thirteen billion, one hundred thirty-one million, eleven thousand, two".