231151303 has 4 divisors (see below), whose sum is σ = 232971520. Its totient is φ = 229331088.

The previous prime is 231151289. The next prime is 231151309. The reversal of 231151303 is 303151132.

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

It is a cyclic number.

It is not a de Polignac number, because 231151303 - 2²⁵ = 197596871 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 (231151309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909918 + ... + 910171.

It is an arithmetic number, because the mean of its divisors is an integer number (58242880).

Almost surely, 2^231151303 is an apocalyptic number.

231151303 is a deficient number, since it is larger than the sum of its proper divisors (1820217).

231151303 is a wasteful number, since it uses less digits than its factorization.

231151303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820216.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 231151303 is about 15203.6608420472. The cubic root of 231151303 is about 613.7131777594.

The spelling of 231151303 in words is "two hundred thirty-one million, one hundred fifty-one thousand, three hundred three".