231376443061 has 4 divisors (see below), whose sum is σ = 232761930912. Its totient is φ = 229990955212.

The previous prime is 231376443031. The next prime is 231376443071. The reversal of 231376443061 is 160344673132.

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 231376443061 - 2⁵ = 231376443029 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 (231376443031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692743675 + ... + 692744008.

It is an arithmetic number, because the mean of its divisors is an integer number (58190482728).

Almost surely, 2^231376443061 is an apocalyptic number.

It is an amenable number.

231376443061 is a deficient number, since it is larger than the sum of its proper divisors (1385487851).

231376443061 is a wasteful number, since it uses less digits than its factorization.

231376443061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385487850.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 231376443061 in words is "two hundred thirty-one billion, three hundred seventy-six million, four hundred forty-three thousand, sixty-one".