231548141 has 12 divisors (see below), whose sum is σ = 254900352. Its totient is φ = 210177000.

The previous prime is 231548137. The next prime is 231548147. The reversal of 231548141 is 141845132.

It is not a de Polignac number, because 231548141 - 2² = 231548137 is a prime.

It is a super-2 number, since 2×231548141² = 107229083201111762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231548147) 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, 118946 + ... + 120876.

It is an arithmetic number, because the mean of its divisors is an integer number (21241696).

Almost surely, 2^231548141 is an apocalyptic number.

It is an amenable number.

231548141 is a deficient number, since it is larger than the sum of its proper divisors (23352211).

231548141 is a wasteful number, since it uses less digits than its factorization.

231548141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2933 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 231548141 is about 15216.7059838849. The cubic root of 231548141 is about 614.0641823007.

The spelling of 231548141 in words is "two hundred thirty-one million, five hundred forty-eight thousand, one hundred forty-one".