231573701 has 2 divisors, whose sum is σ = 231573702. Its totient is φ = 231573700.

The previous prime is 231573659. The next prime is 231573707. The reversal of 231573701 is 107375132.

231573701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211557025 + 20016676 = 14545^2 + 4474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231573701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231573707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115786850 + 115786851.

It is an arithmetic number, because the mean of its divisors is an integer number (115786851).

Almost surely, 2^231573701 is an apocalyptic number.

It is an amenable number.

231573701 is a deficient number, since it is larger than the sum of its proper divisors (1).

231573701 is an equidigital number, since it uses as much as digits as its factorization.

231573701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 231573701 is about 15217.5458271037. The cubic root of 231573701 is about 614.0867764546.

The spelling of 231573701 in words is "two hundred thirty-one million, five hundred seventy-three thousand, seven hundred one".