313452687073 has 2 divisors, whose sum is σ = 313452687074. Its totient is φ = 313452687072.

The previous prime is 313452687061. The next prime is 313452687089. The reversal of 313452687073 is 370786254313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220005088209 + 93447598864 = 469047^2 + 305692^2 .

It is a cyclic number.

It is not a de Polignac number, because 313452687073 - 2¹³ = 313452678881 is a prime.

It is a super-2 number, since 2×313452687073² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (313452687973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156726343536 + 156726343537.

It is an arithmetic number, because the mean of its divisors is an integer number (156726343537).

Almost surely, 2^313452687073 is an apocalyptic number.

It is an amenable number.

313452687073 is a deficient number, since it is larger than the sum of its proper divisors (1).

313452687073 is an equidigital number, since it uses as much as digits as its factorization.

313452687073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 313452687073 in words is "three hundred thirteen billion, four hundred fifty-two million, six hundred eighty-seven thousand, seventy-three".