3131013973 has 2 divisors, whose sum is σ = 3131013974. Its totient is φ = 3131013972.

The previous prime is 3131013961. The next prime is 3131014079. The reversal of 3131013973 is 3793101313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3030172209 + 100841764 = 55047^2 + 10042^2 .

It is a cyclic number.

It is not a de Polignac number, because 3131013973 - 2¹³ = 3131005781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131019973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565506986 + 1565506987.

It is an arithmetic number, because the mean of its divisors is an integer number (1565506987).

Almost surely, 2^3131013973 is an apocalyptic number.

It is an amenable number.

3131013973 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131013973 is an equidigital number, since it uses as much as digits as its factorization.

3131013973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 3131013973 is about 55955.4641925165. The cubic root of 3131013973 is about 1462.9461328498.

The spelling of 3131013973 in words is "three billion, one hundred thirty-one million, thirteen thousand, nine hundred seventy-three".