31341634573 has 2 divisors, whose sum is σ = 31341634574. Its totient is φ = 31341634572.

The previous prime is 31341634553. The next prime is 31341634579. The reversal of 31341634573 is 37543614313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20028759529 + 11312875044 = 141523^2 + 106362^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31341634573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31341634579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15670817286 + 15670817287.

It is an arithmetic number, because the mean of its divisors is an integer number (15670817287).

Almost surely, 2^31341634573 is an apocalyptic number.

It is an amenable number.

31341634573 is a deficient number, since it is larger than the sum of its proper divisors (1).

31341634573 is an equidigital number, since it uses as much as digits as its factorization.

31341634573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 40.

The spelling of 31341634573 in words is "thirty-one billion, three hundred forty-one million, six hundred thirty-four thousand, five hundred seventy-three".