231501105151 has 2 divisors, whose sum is σ = 231501105152. Its totient is φ = 231501105150.

The previous prime is 231501105119. The next prime is 231501105233. The reversal of 231501105151 is 151501105132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231501105151 - 2⁵ = 231501105119 is a prime.

It is a super-2 number, since 2×231501105151² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231501145151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115750552575 + 115750552576.

It is an arithmetic number, because the mean of its divisors is an integer number (115750552576).

Almost surely, 2^231501105151 is an apocalyptic number.

231501105151 is a deficient number, since it is larger than the sum of its proper divisors (1).

231501105151 is an equidigital number, since it uses as much as digits as its factorization.

231501105151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 231501105151 in words is "two hundred thirty-one billion, five hundred one million, one hundred five thousand, one hundred fifty-one".