231152791069 has 4 divisors (see below), whose sum is σ = 231243406240. Its totient is φ = 231062175900.

The previous prime is 231152791043. The next prime is 231152791097. The reversal of 231152791069 is 960197251132.

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 231152791069 - 2¹³ = 231152782877 is a prime.

It is a super-2 number, since 2×231152791069² (a number of 24 digits) 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 (231152791039) 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, 45303759 + ... + 45308860.

It is an arithmetic number, because the mean of its divisors is an integer number (57810851560).

Almost surely, 2^231152791069 is an apocalyptic number.

It is an amenable number.

231152791069 is a deficient number, since it is larger than the sum of its proper divisors (90615171).

231152791069 is an equidigital number, since it uses as much as digits as its factorization.

231152791069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90615170.

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 231152791069 in words is "two hundred thirty-one billion, one hundred fifty-two million, seven hundred ninety-one thousand, sixty-nine".