31120130302297 has 2 divisors, whose sum is σ = 31120130302298. Its totient is φ = 31120130302296.

The previous prime is 31120130302279. The next prime is 31120130302319. The reversal of 31120130302297 is 79220303102113.

Together with previous prime (31120130302279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20995127217936 + 10125003084361 = 4582044^2 + 3181981^2 .

It is an emirp because it is prime and its reverse (79220303102113) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31120130302297 is a prime.

It is not a weakly prime, because it can be changed into another prime (31120130302697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15560065151148 + 15560065151149.

It is an arithmetic number, because the mean of its divisors is an integer number (15560065151149).

Almost surely, 2^{31120130302297} is an apocalyptic number.

It is an amenable number.

31120130302297 is a deficient number, since it is larger than the sum of its proper divisors (1).

31120130302297 is an equidigital number, since it uses as much as digits as its factorization.

31120130302297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 31120130302297 in words is "thirty-one trillion, one hundred twenty billion, one hundred thirty million, three hundred two thousand, two hundred ninety-seven".