97110140531 has 2 divisors, whose sum is σ = 97110140532. Its totient is φ = 97110140530.

The previous prime is 97110140507. The next prime is 97110140629. The reversal of 97110140531 is 13504101179.

It is a weak prime.

It is an emirp because it is prime and its reverse (13504101179) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97110140531 - 2¹⁴ = 97110124147 is a prime.

It is a super-2 number, since 2×97110140531² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (97110140131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48555070265 + 48555070266.

It is an arithmetic number, because the mean of its divisors is an integer number (48555070266).

Almost surely, 2^97110140531 is an apocalyptic number.

97110140531 is a deficient number, since it is larger than the sum of its proper divisors (1).

97110140531 is an equidigital number, since it uses as much as digits as its factorization.

97110140531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 32.

The spelling of 97110140531 in words is "ninety-seven billion, one hundred ten million, one hundred forty thousand, five hundred thirty-one".