313400251093 has 2 divisors, whose sum is σ = 313400251094. Its totient is φ = 313400251092.

The previous prime is 313400251069. The next prime is 313400251123. The reversal of 313400251093 is 390152004313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286345922769 + 27054328324 = 535113^2 + 164482^2 .

It is a cyclic number.

It is not a de Polignac number, because 313400251093 - 2²¹ = 313398153941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313400251393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156700125546 + 156700125547.

It is an arithmetic number, because the mean of its divisors is an integer number (156700125547).

Almost surely, 2^313400251093 is an apocalyptic number.

It is an amenable number.

313400251093 is a deficient number, since it is larger than the sum of its proper divisors (1).

313400251093 is an equidigital number, since it uses as much as digits as its factorization.

313400251093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The spelling of 313400251093 in words is "three hundred thirteen billion, four hundred million, two hundred fifty-one thousand, ninety-three".