231010321252 has 12 divisors (see below), whose sum is σ = 415194226300. Its totient is φ = 112383399456.

The previous prime is 231010321249. The next prime is 231010321307. The reversal of 231010321252 is 252123010132.

It can be written as a sum of positive squares in 2 ways, for example, as 196731279936 + 34279041316 = 443544^2 + 185146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780440127 + ... + 780440422.

Almost surely, 2^231010321252 is an apocalyptic number.

It is an amenable number.

231010321252 is a deficient number, since it is larger than the sum of its proper divisors (184183905048).

231010321252 is a wasteful number, since it uses less digits than its factorization.

231010321252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560880590 (or 1560880588 counting only the distinct ones).

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

Adding to 231010321252 its reverse (252123010132), we get a palindrome (483133331384).

The spelling of 231010321252 in words is "two hundred thirty-one billion, ten million, three hundred twenty-one thousand, two hundred fifty-two".