313112001131 has 4 divisors (see below), whose sum is σ = 313115704200. Its totient is φ = 313108298064.

The previous prime is 313112001127. The next prime is 313112001193. The reversal of 313112001131 is 131100211313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131100211313 = 137 ⋅956935849.

It is a cyclic number.

It is not a de Polignac number, because 313112001131 - 2² = 313112001127 is a prime.

It is a super-2 number, since 2×313112001131² (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 (313112001121) 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, 1721666 + ... + 1894823.

It is an arithmetic number, because the mean of its divisors is an integer number (78278926050).

Almost surely, 2^313112001131 is an apocalyptic number.

313112001131 is a deficient number, since it is larger than the sum of its proper divisors (3703069).

313112001131 is an equidigital number, since it uses as much as digits as its factorization.

313112001131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703068.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 313112001131 its reverse (131100211313), we get a palindrome (444212212444).

The spelling of 313112001131 in words is "three hundred thirteen billion, one hundred twelve million, one thousand, one hundred thirty-one".