231150493 has 12 divisors (see below), whose sum is σ = 269180220. Its totient is φ = 197914752.

The previous prime is 231150461. The next prime is 231150553. The reversal of 231150493 is 394051132.

It can be written as a sum of positive squares in 2 ways, for example, as 76073284 + 155077209 = 8722^2 + 12453^2 .

It is not a de Polignac number, because 231150493 - 2⁵ = 231150461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231150443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57493 + ... + 61381.

It is an arithmetic number, because the mean of its divisors is an integer number (22431685).

Almost surely, 2^231150493 is an apocalyptic number.

It is an amenable number.

231150493 is a deficient number, since it is larger than the sum of its proper divisors (38029727).

231150493 is a wasteful number, since it uses less digits than its factorization.

231150493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116 (or 5109 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 231150493 is about 15203.6342037027. The cubic root of 231150493 is about 613.7124609010.

The spelling of 231150493 in words is "two hundred thirty-one million, one hundred fifty thousand, four hundred ninety-three".