313233133231331 has 2 divisors, whose sum is σ = 313233133231332. Its totient is φ = 313233133231330.

The previous prime is 313233133231301. The next prime is 313233133231393. The reversal of 313233133231331 is 133132331332313.

It is a weak prime.

It is an emirp because it is prime and its reverse (133132331332313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313233133231331 - 2²⁶ = 313233066122467 is a prime.

It is a super-2 number, since 2×313233133231331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313233133231291 and 313233133231300.

It is not a weakly prime, because it can be changed into another prime (313233133231301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156616566615665 + 156616566615666.

It is an arithmetic number, because the mean of its divisors is an integer number (156616566615666).

Almost surely, 2^{313233133231331} is an apocalyptic number.

313233133231331 is a deficient number, since it is larger than the sum of its proper divisors (1).

313233133231331 is an equidigital number, since it uses as much as digits as its factorization.

313233133231331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78732, while the sum is 35.

Adding to 313233133231331 its reverse (133132331332313), we get a palindrome (446365464563644).

The spelling of 313233133231331 in words is "three hundred thirteen trillion, two hundred thirty-three billion, one hundred thirty-three million, two hundred thirty-one thousand, three hundred thirty-one".