231063772151 has 16 divisors (see below), whose sum is σ = 237885131520. Its totient is φ = 224348762880.

The previous prime is 231063772141. The next prime is 231063772237. The reversal of 231063772151 is 151277360132.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231063772151 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 (231063772141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3260345 + ... + 3330461.

It is an arithmetic number, because the mean of its divisors is an integer number (14867820720).

Almost surely, 2^231063772151 is an apocalyptic number.

231063772151 is a deficient number, since it is larger than the sum of its proper divisors (6821359369).

231063772151 is an equidigital number, since it uses as much as digits as its factorization.

231063772151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70874.

The product of its (nonzero) digits is 52920, while the sum is 38.

The spelling of 231063772151 in words is "two hundred thirty-one billion, sixty-three million, seven hundred seventy-two thousand, one hundred fifty-one".