313404133487 has 2 divisors, whose sum is σ = 313404133488. Its totient is φ = 313404133486.

The previous prime is 313404133409. The next prime is 313404133547. The reversal of 313404133487 is 784331404313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313404133487 - 2³⁰ = 312330391663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313404133187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156702066743 + 156702066744.

It is an arithmetic number, because the mean of its divisors is an integer number (156702066744).

Almost surely, 2^313404133487 is an apocalyptic number.

313404133487 is a deficient number, since it is larger than the sum of its proper divisors (1).

313404133487 is an equidigital number, since it uses as much as digits as its factorization.

313404133487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 313404133487 in words is "three hundred thirteen billion, four hundred four million, one hundred thirty-three thousand, four hundred eighty-seven".