313131024102 has 64 divisors (see below), whose sum is σ = 714380373504. Its totient is φ = 90645987840.

The previous prime is 313131024067. The next prime is 313131024113. The reversal of 313131024102 is 201420131313.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 3551233 + ... + 3638339.

It is an arithmetic number, because the mean of its divisors is an integer number (11162193336).

Almost surely, 2^313131024102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313131024102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357190186752).

313131024102 is an abundant number, since it is smaller than the sum of its proper divisors (401249349402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313131024102 is a wasteful number, since it uses less digits than its factorization.

313131024102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89853.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 313131024102 its reverse (201420131313), we get a palindrome (514551155415).

The spelling of 313131024102 in words is "three hundred thirteen billion, one hundred thirty-one million, twenty-four thousand, one hundred two".