313311310231331 has 16 divisors (see below), whose sum is σ = 324316205877600. Its totient is φ = 302319861312000.

The previous prime is 313311310231277. The next prime is 313311310231351. The reversal of 313311310231331 is 133132013113313.

It is a cyclic number.

It is not a de Polignac number, because 313311310231331 - 2⁶ = 313311310231267 is a prime.

It is a super-2 number, since 2×313311310231331² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 313311310231294 and 313311310231303.

It is not an unprimeable number, because it can be changed into a prime (313311310231351) 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, 413347796 + ... + 414105086.

It is an arithmetic number, because the mean of its divisors is an integer number (20269762867350).

Almost surely, 2^{313311310231331} is an apocalyptic number.

313311310231331 is a deficient number, since it is larger than the sum of its proper divisors (11004895646269).

313311310231331 is a wasteful number, since it uses less digits than its factorization.

313311310231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766150.

The product of its (nonzero) digits is 4374, while the sum is 29.

Adding to 313311310231331 its reverse (133132013113313), we get a palindrome (446443323344644).

The spelling of 313311310231331 in words is "three hundred thirteen trillion, three hundred eleven billion, three hundred ten million, two hundred thirty-one thousand, three hundred thirty-one".