1312034355 has 20 divisors (see below), whose sum is σ = 2351943792. Its totient is φ = 699751440.

The previous prime is 1312034323. The next prime is 1312034377. The reversal of 1312034355 is 5534302131.

1312034355 is a `hidden beast` number, since 1 + 312 + 0 + 343 + 5 + 5 = 666.

It is not a de Polignac number, because 1312034355 - 2⁵ = 1312034323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1619391 + ... + 1620200.

Almost surely, 2^1312034355 is an apocalyptic number.

1312034355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1312034355 is a deficient number, since it is larger than the sum of its proper divisors (1039909437).

1312034355 is an equidigital number, since it uses as much as digits as its factorization.

1312034355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239608 (or 3239599 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1312034355 is about 36222.0147838300. The cubic root of 1312034355 is about 1094.7502902162.

Adding to 1312034355 its reverse (5534302131), we get a palindrome (6846336486).

The spelling of 1312034355 in words is "one billion, three hundred twelve million, thirty-four thousand, three hundred fifty-five".