1312310000 has 50 divisors (see below), whose sum is σ = 3177257952. Its totient is φ = 524920000.

The previous prime is 1312309997. The next prime is 1312310023. The reversal of 1312310000 is 132131.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×1312310000² = 3444315072200000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55616 + ... + 75615.

Almost surely, 2^1312310000 is an apocalyptic number.

1312310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312310000 is an abundant number, since it is smaller than the sum of its proper divisors (1864947952).

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

1312310000 is an equidigital number, since it uses as much as digits as its factorization.

1312310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131259 (or 131238 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1312310000 is about 36225.8195214408. The cubic root of 1312310000 is about 1094.8269501280.

Adding to 1312310000 its reverse (132131), we get a palindrome (1312442131).

The spelling of 1312310000 in words is "one billion, three hundred twelve million, three hundred ten thousand".