97131361 has 4 divisors (see below), whose sum is σ = 97156800. Its totient is φ = 97105924.

The previous prime is 97131343. The next prime is 97131373. The reversal of 97131361 is 16313179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16313179 = 139 ⋅117361.

It is a cyclic number.

It is not a de Polignac number, because 97131361 - 2¹⁵ = 97098593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97131301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5701 + ... + 15058.

It is an arithmetic number, because the mean of its divisors is an integer number (24289200).

Almost surely, 2^97131361 is an apocalyptic number.

It is an amenable number.

97131361 is a deficient number, since it is larger than the sum of its proper divisors (25439).

97131361 is a wasteful number, since it uses less digits than its factorization.

97131361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25438.

The product of its digits is 3402, while the sum is 31.

The square root of 97131361 is about 9855.5243899044. The cubic root of 97131361 is about 459.6774061459.

The spelling of 97131361 in words is "ninety-seven million, one hundred thirty-one thousand, three hundred sixty-one".