1302313312373 has 2 divisors, whose sum is σ = 1302313312374. Its totient is φ = 1302313312372.

The previous prime is 1302313312369. The next prime is 1302313312409. The reversal of 1302313312373 is 3732133132031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 949849058404 + 352464253969 = 974602^2 + 593687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302313312373 - 2² = 1302313312369 is a prime.

It is a super-2 number, since 2×1302313312373² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1302313314373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651156656186 + 651156656187.

It is an arithmetic number, because the mean of its divisors is an integer number (651156656187).

Almost surely, 2^{1302313312373} is an apocalyptic number.

It is an amenable number.

1302313312373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302313312373 is an equidigital number, since it uses as much as digits as its factorization.

1302313312373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20412, while the sum is 32.

The spelling of 1302313312373 in words is "one trillion, three hundred two billion, three hundred thirteen million, three hundred twelve thousand, three hundred seventy-three".