231916141 has 4 divisors (see below), whose sum is σ = 232118784. Its totient is φ = 231713500.

The previous prime is 231916127. The next prime is 231916151. The reversal of 231916141 is 141619132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231916141 - 2¹⁷ = 231785069 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 (231916151) 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, 99595 + ... + 101896.

It is an arithmetic number, because the mean of its divisors is an integer number (58029696).

Almost surely, 2^231916141 is an apocalyptic number.

It is an amenable number.

231916141 is a deficient number, since it is larger than the sum of its proper divisors (202643).

231916141 is a wasteful number, since it uses less digits than its factorization.

231916141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202642.

The product of its digits is 1296, while the sum is 28.

The square root of 231916141 is about 15228.7931563864. The cubic root of 231916141 is about 614.3893213253.

The spelling of 231916141 in words is "two hundred thirty-one million, nine hundred sixteen thousand, one hundred forty-one".