4031311402997 has 2 divisors, whose sum is σ = 4031311402998. Its totient is φ = 4031311402996.

The previous prime is 4031311402981. The next prime is 4031311403027. The reversal of 4031311402997 is 7992041131304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4027852316401 + 3459086596 = 2006951^2 + 58814^2 .

It is a cyclic number.

It is not a de Polignac number, because 4031311402997 - 2⁴ = 4031311402981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4031311402907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015655701498 + 2015655701499.

It is an arithmetic number, because the mean of its divisors is an integer number (2015655701499).

Almost surely, 2^{4031311402997} is an apocalyptic number.

It is an amenable number.

4031311402997 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031311402997 is an equidigital number, since it uses as much as digits as its factorization.

4031311402997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 4031311402997 in words is "four trillion, thirty-one billion, three hundred eleven million, four hundred two thousand, nine hundred ninety-seven".