1310013973 has 2 divisors, whose sum is σ = 1310013974. Its totient is φ = 1310013972.

The previous prime is 1310013959. The next prime is 1310014007. The reversal of 1310013973 is 3793100131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287517924 + 22496049 = 35882^2 + 4743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310013973 - 2²¹ = 1307916821 is a prime.

It is a super-2 number, since 2×1310013973² = 3432273218910489458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310013953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655006986 + 655006987.

It is an arithmetic number, because the mean of its divisors is an integer number (655006987).

Almost surely, 2^1310013973 is an apocalyptic number.

It is an amenable number.

1310013973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310013973 is an equidigital number, since it uses as much as digits as its factorization.

1310013973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 1310013973 is about 36194.1151708396. The cubic root of 1310013973 is about 1094.1880716895.

The spelling of 1310013973 in words is "one billion, three hundred ten million, thirteen thousand, nine hundred seventy-three".