231062245 has 32 divisors (see below), whose sum is σ = 291483360. Its totient is φ = 175718400.

The previous prime is 231062243. The next prime is 231062257. The reversal of 231062245 is 542260132.

It can be written as a sum of positive squares in 16 ways, for example, as 13883076 + 217179169 = 3726^2 + 14737^2 .

It is not a de Polignac number, because 231062245 - 2¹ = 231062243 is a prime.

It is a super-2 number, since 2×231062245² = 106779522128880050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231062243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2287695 + ... + 2287795.

It is an arithmetic number, because the mean of its divisors is an integer number (9108855).

Almost surely, 2^231062245 is an apocalyptic number.

It is an amenable number.

231062245 is a deficient number, since it is larger than the sum of its proper divisors (60421115).

231062245 is a wasteful number, since it uses less digits than its factorization.

231062245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 231062245 is about 15200.7317258085. The cubic root of 231062245 is about 613.6343504743.

The spelling of 231062245 in words is "two hundred thirty-one million, sixty-two thousand, two hundred forty-five".