313124140221013 has 4 divisors (see below), whose sum is σ = 341589971150208. Its totient is φ = 284658309291820.

The previous prime is 313124140220951. The next prime is 313124140221091. The reversal of 313124140221013 is 310122041421313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 313124140221013 - 2²⁹ = 313123603350101 is a prime.

It is a super-2 number, since 2×313124140221013² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313124140221913) 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, 14232915464581 + ... + 14232915464602.

It is an arithmetic number, because the mean of its divisors is an integer number (85397492787552).

Almost surely, 2^{313124140221013} is an apocalyptic number.

It is an amenable number.

313124140221013 is a deficient number, since it is larger than the sum of its proper divisors (28465830929195).

313124140221013 is a wasteful number, since it uses less digits than its factorization.

313124140221013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28465830929194.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 313124140221013 its reverse (310122041421313), we get a palindrome (623246181642326).

The spelling of 313124140221013 in words is "three hundred thirteen trillion, one hundred twenty-four billion, one hundred forty million, two hundred twenty-one thousand, thirteen".