231106319 has 2 divisors, whose sum is σ = 231106320. Its totient is φ = 231106318.

The previous prime is 231106261. The next prime is 231106327. The reversal of 231106319 is 913601132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231106319 - 2¹⁶ = 231040783 is a prime.

It is a super-2 number, since 2×231106319² = 106820261363459522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231105319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115553159 + 115553160.

It is an arithmetic number, because the mean of its divisors is an integer number (115553160).

Almost surely, 2^231106319 is an apocalyptic number.

231106319 is a deficient number, since it is larger than the sum of its proper divisors (1).

231106319 is an equidigital number, since it uses as much as digits as its factorization.

231106319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 231106319 is about 15202.1813895243. The cubic root of 231106319 is about 613.6733639170.

The spelling of 231106319 in words is "two hundred thirty-one million, one hundred six thousand, three hundred nineteen".