313620115651 has 2 divisors, whose sum is σ = 313620115652. Its totient is φ = 313620115650.

The previous prime is 313620115639. The next prime is 313620115661. The reversal of 313620115651 is 156511026313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 313620115651 - 2⁵ = 313620115619 is a prime.

It is not a weakly prime, because it can be changed into another prime (313620115661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156810057825 + 156810057826.

It is an arithmetic number, because the mean of its divisors is an integer number (156810057826).

Almost surely, 2^313620115651 is an apocalyptic number.

313620115651 is a deficient number, since it is larger than the sum of its proper divisors (1).

313620115651 is an equidigital number, since it uses as much as digits as its factorization.

313620115651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 313620115651 in words is "three hundred thirteen billion, six hundred twenty million, one hundred fifteen thousand, six hundred fifty-one".