231074150547077 has 4 divisors (see below), whose sum is σ = 241120852744800. Its totient is φ = 221027448349356.

The previous prime is 231074150547041. The next prime is 231074150547091. The reversal of 231074150547077 is 770745051470132.

It is a happy number.

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 231074150547077 - 2²⁰ = 231074149498501 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 (231074150547677) 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, 5023351098827 + ... + 5023351098872.

It is an arithmetic number, because the mean of its divisors is an integer number (60280213186200).

Almost surely, 2^{231074150547077} is an apocalyptic number.

It is an amenable number.

231074150547077 is a deficient number, since it is larger than the sum of its proper divisors (10046702197723).

231074150547077 is a wasteful number, since it uses less digits than its factorization.

231074150547077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10046702197722.

The product of its (nonzero) digits is 5762400, while the sum is 53.

The spelling of 231074150547077 in words is "two hundred thirty-one trillion, seventy-four billion, one hundred fifty million, five hundred forty-seven thousand, seventy-seven".