313101302981 has 2 divisors, whose sum is σ = 313101302982. Its totient is φ = 313101302980.

The previous prime is 313101302977. The next prime is 313101303037. The reversal of 313101302981 is 189203101313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295082536225 + 18018766756 = 543215^2 + 134234^2 .

It is a cyclic number.

It is not a de Polignac number, because 313101302981 - 2² = 313101302977 is a prime.

It is a super-2 number, since 2×313101302981² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313101302281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156550651490 + 156550651491.

It is an arithmetic number, because the mean of its divisors is an integer number (156550651491).

Almost surely, 2^313101302981 is an apocalyptic number.

It is an amenable number.

313101302981 is a deficient number, since it is larger than the sum of its proper divisors (1).

313101302981 is an equidigital number, since it uses as much as digits as its factorization.

313101302981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 313101302981 in words is "three hundred thirteen billion, one hundred one million, three hundred two thousand, nine hundred eighty-one".