1231200002313 has 48 divisors (see below), whose sum is σ = 1823314147200. Its totient is φ = 800336839680.

The previous prime is 1231200002257. The next prime is 1231200002321. The reversal of 1231200002313 is 3132000021321.

1231200002313 is a `hidden beast` number, since 1 + 231 + 200 + 0 + 0 + 231 + 3 = 666.

It is not a de Polignac number, because 1231200002313 - 2⁸ = 1231200002057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1231200002323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100344343 + ... + 100356611.

It is an arithmetic number, because the mean of its divisors is an integer number (37985711400).

Almost surely, 2^{1231200002313} is an apocalyptic number.

It is an amenable number.

1231200002313 is a deficient number, since it is larger than the sum of its proper divisors (592114144887).

1231200002313 is a wasteful number, since it uses less digits than its factorization.

1231200002313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14062 (or 14059 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1231200002313 its reverse (3132000021321), we get a palindrome (4363200023634).

The spelling of 1231200002313 in words is "one trillion, two hundred thirty-one billion, two hundred million, two thousand, three hundred thirteen".