313020210131 has 4 divisors (see below), whose sum is σ = 313236535152. Its totient is φ = 312803885112.

The previous prime is 313020210109. The next prime is 313020210199. The reversal of 313020210131 is 131012020313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313020210131 is a prime.

It is a super-2 number, since 2×313020210131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313020110131) 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, 108160340 + ... + 108163233.

It is an arithmetic number, because the mean of its divisors is an integer number (78309133788).

Almost surely, 2^313020210131 is an apocalyptic number.

313020210131 is a deficient number, since it is larger than the sum of its proper divisors (216325021).

313020210131 is a wasteful number, since it uses less digits than its factorization.

313020210131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216325020.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 313020210131 its reverse (131012020313), we get a palindrome (444032230444).

The spelling of 313020210131 in words is "three hundred thirteen billion, twenty million, two hundred ten thousand, one hundred thirty-one".