231027697 has 2 divisors, whose sum is σ = 231027698. Its totient is φ = 231027696.

The previous prime is 231027683. The next prime is 231027721. The reversal of 231027697 is 796720132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227527056 + 3500641 = 15084^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 231027697 - 2²⁷ = 96809969 is a prime.

It is a super-2 number, since 2×231027697² = 106747593562247618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231027997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115513848 + 115513849.

It is an arithmetic number, because the mean of its divisors is an integer number (115513849).

Almost surely, 2^231027697 is an apocalyptic number.

It is an amenable number.

231027697 is a deficient number, since it is larger than the sum of its proper divisors (1).

231027697 is an equidigital number, since it uses as much as digits as its factorization.

231027697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 231027697 is about 15199.5952906648. The cubic root of 231027697 is about 613.6037657918.

The spelling of 231027697 in words is "two hundred thirty-one million, twenty-seven thousand, six hundred ninety-seven".