31434333310997 has 2 divisors, whose sum is σ = 31434333310998. Its totient is φ = 31434333310996.

The previous prime is 31434333310993. The next prime is 31434333311009. The reversal of 31434333310997 is 79901333343413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27702053199076 + 3732280111921 = 5263274^2 + 1931911^2 .

It is a cyclic number.

It is not a de Polignac number, because 31434333310997 - 2² = 31434333310993 is a prime.

It is a super-2 number, since 2×31434333310997² (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 (31434333310993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717166655498 + 15717166655499.

It is an arithmetic number, because the mean of its divisors is an integer number (15717166655499).

Almost surely, 2^{31434333310997} is an apocalyptic number.

It is an amenable number.

31434333310997 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434333310997 is an equidigital number, since it uses as much as digits as its factorization.

31434333310997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6613488, while the sum is 53.

The spelling of 31434333310997 in words is "thirty-one trillion, four hundred thirty-four billion, three hundred thirty-three million, three hundred ten thousand, nine hundred ninety-seven".