231069460 has 24 divisors (see below), whose sum is σ = 488343240. Its totient is φ = 91837824.

The previous prime is 231069409. The next prime is 231069463. The reversal of 231069460 is 64960132.

It can be written as a sum of positive squares in 4 ways, for example, as 33779344 + 197290116 = 5812^2 + 14046^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231069463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33655 + ... + 39934.

It is an arithmetic number, because the mean of its divisors is an integer number (20347635).

Almost surely, 2^231069460 is an apocalyptic number.

231069460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231069460 is an abundant number, since it is smaller than the sum of its proper divisors (257273780).

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

231069460 is a wasteful number, since it uses less digits than its factorization.

231069460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73755 (or 73753 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 231069460 is about 15200.9690480574. The cubic root of 231069460 is about 613.6407373908.

The spelling of 231069460 in words is "two hundred thirty-one million, sixty-nine thousand, four hundred sixty".