313132433 has 2 divisors, whose sum is σ = 313132434. Its totient is φ = 313132432.

The previous prime is 313132429. The next prime is 313132439. The reversal of 313132433 is 334231313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225840784 + 87291649 = 15028^2 + 9343^2 .

It is a cyclic number.

It is not a de Polignac number, because 313132433 - 2² = 313132429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313132399 and 313132408.

It is not a weakly prime, because it can be changed into another prime (313132439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156566216 + 156566217.

It is an arithmetic number, because the mean of its divisors is an integer number (156566217).

Almost surely, 2^313132433 is an apocalyptic number.

It is an amenable number.

313132433 is a deficient number, since it is larger than the sum of its proper divisors (1).

313132433 is an equidigital number, since it uses as much as digits as its factorization.

313132433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 23.

The square root of 313132433 is about 17695.5483950060. The cubic root of 313132433 is about 679.0618789508.

Adding to 313132433 its reverse (334231313), we get a palindrome (647363746).

The spelling of 313132433 in words is "three hundred thirteen million, one hundred thirty-two thousand, four hundred thirty-three".