31300442417 has 2 divisors, whose sum is σ = 31300442418. Its totient is φ = 31300442416.

The previous prime is 31300442363. The next prime is 31300442447. The reversal of 31300442417 is 71424400313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30885953536 + 414488881 = 175744^2 + 20359^2 .

It is a cyclic number.

It is not a de Polignac number, because 31300442417 - 2⁶ = 31300442353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31300442417.

It is not a weakly prime, because it can be changed into another prime (31300442447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650221208 + 15650221209.

It is an arithmetic number, because the mean of its divisors is an integer number (15650221209).

Almost surely, 2^31300442417 is an apocalyptic number.

It is an amenable number.

31300442417 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300442417 is an equidigital number, since it uses as much as digits as its factorization.

31300442417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 31300442417 in words is "thirty-one billion, three hundred million, four hundred forty-two thousand, four hundred seventeen".