231161434 has 8 divisors (see below), whose sum is σ = 396276768. Its totient is φ = 99069180.

The previous prime is 231161419. The next prime is 231161449. The reversal of 231161434 is 434161132.

It is an interprime number because it is at equal distance from previous prime (231161419) and next prime (231161449).

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

It is a junction number, because it is equal to n+sod(n) for n = 231161399 and 231161408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8255752 + ... + 8255779.

It is an arithmetic number, because the mean of its divisors is an integer number (49534596).

Almost surely, 2^231161434 is an apocalyptic number.

231161434 is a deficient number, since it is larger than the sum of its proper divisors (165115334).

231161434 is a wasteful number, since it uses less digits than its factorization.

231161434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16511540.

The product of its digits is 1728, while the sum is 25.

The square root of 231161434 is about 15203.9940147318. The cubic root of 231161434 is about 613.7221436579.

The spelling of 231161434 in words is "two hundred thirty-one million, one hundred sixty-one thousand, four hundred thirty-four".