231102652 has 12 divisors (see below), whose sum is σ = 441196056. Its totient is φ = 105046640.

The previous prime is 231102649. The next prime is 231102659. The reversal of 231102652 is 256201132.

231102652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231102652² = 106816871522866208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231102659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2626123 + ... + 2626210.

It is an arithmetic number, because the mean of its divisors is an integer number (36766338).

Almost surely, 2^231102652 is an apocalyptic number.

231102652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231102652 is a deficient number, since it is larger than the sum of its proper divisors (210093404).

231102652 is a wasteful number, since it uses less digits than its factorization.

231102652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252348 (or 5252346 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 231102652 is about 15202.0607813546. The cubic root of 231102652 is about 613.6701181495.

Adding to 231102652 its reverse (256201132), we get a palindrome (487303784).

The spelling of 231102652 in words is "two hundred thirty-one million, one hundred two thousand, six hundred fifty-two".