3131366479 has 2 divisors, whose sum is σ = 3131366480. Its totient is φ = 3131366478.

The previous prime is 3131366467. The next prime is 3131366503. The reversal of 3131366479 is 9746631313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131366479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131366419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565683239 + 1565683240.

It is an arithmetic number, because the mean of its divisors is an integer number (1565683240).

Almost surely, 2^3131366479 is an apocalyptic number.

3131366479 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131366479 is an equidigital number, since it uses as much as digits as its factorization.

3131366479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 244944, while the sum is 43.

The square root of 3131366479 is about 55958.6139839078. The cubic root of 3131366479 is about 1463.0010328430.

The spelling of 3131366479 in words is "three billion, one hundred thirty-one million, three hundred sixty-six thousand, four hundred seventy-nine".