231129319 has 8 divisors (see below), whose sum is σ = 243624240. Its totient is φ = 218667456.

The previous prime is 231129313. The next prime is 231129329. The reversal of 231129319 is 913921132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231129319 - 2⁵ = 231129287 is a prime.

It is a super-2 number, since 2×231129319² = 106841524202807522, which 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 (231129313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6819 + ... + 22555.

It is an arithmetic number, because the mean of its divisors is an integer number (30453030).

Almost surely, 2^231129319 is an apocalyptic number.

231129319 is a deficient number, since it is larger than the sum of its proper divisors (12494921).

231129319 is a wasteful number, since it uses less digits than its factorization.

231129319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16529.

The product of its digits is 2916, while the sum is 31.

The square root of 231129319 is about 15202.9378410885. The cubic root of 231129319 is about 613.6937210975.

The spelling of 231129319 in words is "two hundred thirty-one million, one hundred twenty-nine thousand, three hundred nineteen".