1312312554 has 24 divisors (see below), whose sum is σ = 3249536160. Its totient is φ = 374946408.

The previous prime is 1312312549. The next prime is 1312312579. The reversal of 1312312554 is 4552132131.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5207464 + ... + 5207715.

It is an arithmetic number, because the mean of its divisors is an integer number (135397340).

Almost surely, 2^1312312554 is an apocalyptic number.

1312312554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1312312554 is an abundant number, since it is smaller than the sum of its proper divisors (1937223606).

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

1312312554 is a wasteful number, since it uses less digits than its factorization.

1312312554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415194 (or 10415191 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1312312554 is about 36225.8547725240. The cubic root of 1312312554 is about 1094.8276603734.

Adding to 1312312554 its reverse (4552132131), we get a palindrome (5864444685).

The spelling of 1312312554 in words is "one billion, three hundred twelve million, three hundred twelve thousand, five hundred fifty-four".