231734885 has 16 divisors (see below), whose sum is σ = 286156416. Its totient is φ = 180024768.

The previous prime is 231734879. The next prime is 231734891. The reversal of 231734885 is 588437132.

It is an interprime number because it is at equal distance from previous prime (231734879) and next prime (231734891).

It is a cyclic number.

It is not a de Polignac number, because 231734885 - 2¹² = 231730789 is a prime.

It is a super-3 number, since 3×231734885³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133634 + ... + 135356.

It is an arithmetic number, because the mean of its divisors is an integer number (17884776).

Almost surely, 2^231734885 is an apocalyptic number.

It is an amenable number.

231734885 is a deficient number, since it is larger than the sum of its proper divisors (54421531).

231734885 is a wasteful number, since it uses less digits than its factorization.

231734885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its digits is 161280, while the sum is 41.

The square root of 231734885 is about 15222.8408978088. The cubic root of 231734885 is about 614.2292192372.

The spelling of 231734885 in words is "two hundred thirty-one million, seven hundred thirty-four thousand, eight hundred eighty-five".