313375405433 has 2 divisors, whose sum is σ = 313375405434. Its totient is φ = 313375405432.

The previous prime is 313375405417. The next prime is 313375405463. The reversal of 313375405433 is 334504573313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 297273571984 + 16101833449 = 545228^2 + 126893^2 .

It is a cyclic number.

It is not a de Polignac number, because 313375405433 - 2⁴ = 313375405417 is a prime.

It is not a weakly prime, because it can be changed into another prime (313375405463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156687702716 + 156687702717.

It is an arithmetic number, because the mean of its divisors is an integer number (156687702717).

Almost surely, 2^313375405433 is an apocalyptic number.

It is an amenable number.

313375405433 is a deficient number, since it is larger than the sum of its proper divisors (1).

313375405433 is an equidigital number, since it uses as much as digits as its factorization.

313375405433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 41.

Adding to 313375405433 its reverse (334504573313), we get a palindrome (647879978746).

The spelling of 313375405433 in words is "three hundred thirteen billion, three hundred seventy-five million, four hundred five thousand, four hundred thirty-three".