231260051 has 4 divisors (see below), whose sum is σ = 252283704. Its totient is φ = 210236400.

The previous prime is 231260047. The next prime is 231260087. The reversal of 231260051 is 150062132.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 231260051 - 2² = 231260047 is a prime.

It is a super-2 number, since 2×231260051² = 106962422377045202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231260011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10511810 + ... + 10511831.

It is an arithmetic number, because the mean of its divisors is an integer number (63070926).

Almost surely, 2^231260051 is an apocalyptic number.

231260051 is a deficient number, since it is larger than the sum of its proper divisors (21023653).

231260051 is a wasteful number, since it uses less digits than its factorization.

231260051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21023652.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 231260051 is about 15207.2367969990. The cubic root of 231260051 is about 613.8094056648.

The spelling of 231260051 in words is "two hundred thirty-one million, two hundred sixty thousand, fifty-one".