2312513890 has 8 divisors (see below), whose sum is σ = 4162525020. Its totient is φ = 925005552.

The previous prime is 2312513887. The next prime is 2312513891. The reversal of 2312513890 is 983152132.

It can be written as a sum of positive squares in 2 ways, for example, as 2310628761 + 1885129 = 48069^2 + 1373^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2312513891) 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, 115625685 + ... + 115625704.

Almost surely, 2^2312513890 is an apocalyptic number.

2312513890 is a deficient number, since it is larger than the sum of its proper divisors (1850011130).

2312513890 is a wasteful number, since it uses less digits than its factorization.

2312513890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231251396.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2312513890 is about 48088.6045753045. The cubic root of 2312513890 is about 1322.3957658137.

The spelling of 2312513890 in words is "two billion, three hundred twelve million, five hundred thirteen thousand, eight hundred ninety".