313891993067 has 2 divisors, whose sum is σ = 313891993068. Its totient is φ = 313891993066.

The previous prime is 313891993033. The next prime is 313891993109. The reversal of 313891993067 is 760399198313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313891993067 - 2⁸ = 313891992811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 313891992997 and 313891993015.

It is not a weakly prime, because it can be changed into another prime (313891993367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156945996533 + 156945996534.

It is an arithmetic number, because the mean of its divisors is an integer number (156945996534).

Almost surely, 2^313891993067 is an apocalyptic number.

313891993067 is a deficient number, since it is larger than the sum of its proper divisors (1).

313891993067 is an equidigital number, since it uses as much as digits as its factorization.

313891993067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 59.

The spelling of 313891993067 in words is "three hundred thirteen billion, eight hundred ninety-one million, nine hundred ninety-three thousand, sixty-seven".