231149051 has 16 divisors (see below), whose sum is σ = 288737280. Its totient is φ = 180455040.

The previous prime is 231149033. The next prime is 231149081. The reversal of 231149051 is 150941132.

It is a cyclic number.

It is not a de Polignac number, because 231149051 - 2¹⁸ = 230886907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231149051.

It is not an unprimeable number, because it can be changed into a prime (231149081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27641 + ... + 35018.

It is an arithmetic number, because the mean of its divisors is an integer number (18046080).

Almost surely, 2^231149051 is an apocalyptic number.

231149051 is a deficient number, since it is larger than the sum of its proper divisors (57588229).

231149051 is a wasteful number, since it uses less digits than its factorization.

231149051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62714.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 231149051 is about 15203.5867807567. The cubic root of 231149051 is about 613.7111847120.

The spelling of 231149051 in words is "two hundred thirty-one million, one hundred forty-nine thousand, fifty-one".