231060690 has 96 divisors (see below), whose sum is σ = 710311680. Its totient is φ = 50988672.

The previous prime is 231060677. The next prime is 231060743. The reversal of 231060690 is 96060132.

It is a happy number.

It is a super-2 number, since 2×231060690² = 106778084926552200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11947 + ... + 24593.

It is an arithmetic number, because the mean of its divisors is an integer number (7399080).

Almost surely, 2^231060690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231060690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355155840).

231060690 is an abundant number, since it is smaller than the sum of its proper divisors (479250990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231060690 is a wasteful number, since it uses less digits than its factorization.

231060690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696 (or 12693 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 231060690 is about 15200.6805768689. The cubic root of 231060690 is about 613.6329739282.

The spelling of 231060690 in words is "two hundred thirty-one million, sixty thousand, six hundred ninety".