313132233031 has 2 divisors, whose sum is σ = 313132233032. Its totient is φ = 313132233030.

The previous prime is 313132233019. The next prime is 313132233041. The reversal of 313132233031 is 130332231313.

It is a strong prime.

It is an emirp because it is prime and its reverse (130332231313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313132233031 - 2³³ = 304542298439 is a prime.

It is a super-2 number, since 2×313132233031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 313132232987 and 313132233005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313132233041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156566116515 + 156566116516.

It is an arithmetic number, because the mean of its divisors is an integer number (156566116516).

Almost surely, 2^313132233031 is an apocalyptic number.

313132233031 is a deficient number, since it is larger than the sum of its proper divisors (1).

313132233031 is an equidigital number, since it uses as much as digits as its factorization.

313132233031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 313132233031 its reverse (130332231313), we get a palindrome (443464464344).

The spelling of 313132233031 in words is "three hundred thirteen billion, one hundred thirty-two million, two hundred thirty-three thousand, thirty-one".