231151052 has 12 divisors (see below), whose sum is σ = 441288456. Its totient is φ = 105068640.

The previous prime is 231151051. The next prime is 231151087. The reversal of 231151052 is 250151132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231151051) 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, 2626673 + ... + 2626760.

It is an arithmetic number, because the mean of its divisors is an integer number (36774038).

Almost surely, 2^231151052 is an apocalyptic number.

231151052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231151052 is a deficient number, since it is larger than the sum of its proper divisors (210137404).

231151052 is a wasteful number, since it uses less digits than its factorization.

231151052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253448 (or 5253446 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 231151052 is about 15203.6525874541. The cubic root of 231151052 is about 613.7129556220.

The spelling of 231151052 in words is "two hundred thirty-one million, one hundred fifty-one thousand, fifty-two".