31302344299399 has 2 divisors, whose sum is σ = 31302344299400. Its totient is φ = 31302344299398.

The previous prime is 31302344299381. The next prime is 31302344299477. The reversal of 31302344299399 is 99399244320313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31302344299399 - 2¹¹ = 31302344297351 is a prime.

It is a super-2 number, since 2×31302344299399² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31302344294399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651172149699 + 15651172149700.

It is an arithmetic number, because the mean of its divisors is an integer number (15651172149700).

Almost surely, 2^{31302344299399} is an apocalyptic number.

31302344299399 is a deficient number, since it is larger than the sum of its proper divisors (1).

31302344299399 is an equidigital number, since it uses as much as digits as its factorization.

31302344299399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34012224, while the sum is 61.

The spelling of 31302344299399 in words is "thirty-one trillion, three hundred two billion, three hundred forty-four million, two hundred ninety-nine thousand, three hundred ninety-nine".