31484648413 has 2 divisors, whose sum is σ = 31484648414. Its totient is φ = 31484648412.

The previous prime is 31484648407. The next prime is 31484648417.

31484648413 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20605741209 + 10878907204 = 143547^2 + 104302^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31484648413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31484648417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15742324206 + 15742324207.

It is an arithmetic number, because the mean of its divisors is an integer number (15742324207).

Almost surely, 2^31484648413 is an apocalyptic number.

It is an amenable number.

31484648413 is a deficient number, since it is larger than the sum of its proper divisors (1).

31484648413 is an equidigital number, since it uses as much as digits as its factorization.

31484648413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 46.

The spelling of 31484648413 in words is "thirty-one billion, four hundred eighty-four million, six hundred forty-eight thousand, four hundred thirteen".