2312153249 has 12 divisors (see below), whose sum is σ = 2740398804. Its totient is φ = 1944450144.

The previous prime is 2312153227. The next prime is 2312153251. The reversal of 2312153249 is 9423512132.

It can be written as a sum of positive squares in 2 ways, for example, as 1353136225 + 959017024 = 36785^2 + 30968^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2312153249 is a prime.

It is a super-2 number, since 2×2312153249² = 10692105293722512002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2312153279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 442562 + ... + 447755.

It is an arithmetic number, because the mean of its divisors is an integer number (228366567).

Almost surely, 2^2312153249 is an apocalyptic number.

It is an amenable number.

2312153249 is a deficient number, since it is larger than the sum of its proper divisors (428245555).

2312153249 is an equidigital number, since it uses as much as digits as its factorization.

2312153249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890384 (or 890377 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 2312153249 is about 48084.8546737952. The cubic root of 2312153249 is about 1322.3270188500.

The spelling of 2312153249 in words is "two billion, three hundred twelve million, one hundred fifty-three thousand, two hundred forty-nine".