313322231021331 has 16 divisors (see below), whose sum is σ = 505528305513984. Its totient is φ = 168509435170944.

The previous prime is 313322231021311. The next prime is 313322231021351. The reversal of 313322231021331 is 133120132223313.

It is an interprime number because it is at equal distance from previous prime (313322231021311) and next prime (313322231021351).

It is not a de Polignac number, because 313322231021331 - 2¹⁰ = 313322231020307 is a prime.

It is a super-2 number, since 2×313322231021331² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313322231021311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438826653735 + ... + 438826654448.

It is an arithmetic number, because the mean of its divisors is an integer number (31595519094624).

Almost surely, 2^{313322231021331} is an apocalyptic number.

313322231021331 is a deficient number, since it is larger than the sum of its proper divisors (192206074492653).

313322231021331 is a wasteful number, since it uses less digits than its factorization.

313322231021331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877653308210.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 313322231021331 its reverse (133120132223313), we get a palindrome (446442363244644).

The spelling of 313322231021331 in words is "three hundred thirteen trillion, three hundred twenty-two billion, two hundred thirty-one million, twenty-one thousand, three hundred thirty-one".