1312100133 has 8 divisors (see below), whose sum is σ = 1750175808. Its totient is φ = 874378944.

The previous prime is 1312100117. The next prime is 1312100149. The reversal of 1312100133 is 3310012131.

It is an interprime number because it is at equal distance from previous prime (1312100117) and next prime (1312100149).

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

It is not a de Polignac number, because 1312100133 - 2⁴ = 1312100117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312100173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79860 + ... + 94877.

It is an arithmetic number, because the mean of its divisors is an integer number (218771976).

Almost surely, 2^1312100133 is an apocalyptic number.

It is an amenable number.

1312100133 is a deficient number, since it is larger than the sum of its proper divisors (438075675).

1312100133 is a wasteful number, since it uses less digits than its factorization.

1312100133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177243.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1312100133 is about 36222.9227561775. The cubic root of 1312100133 is about 1094.7685847781.

Adding to 1312100133 its reverse (3310012131), we get a palindrome (4622112264).

The spelling of 1312100133 in words is "one billion, three hundred twelve million, one hundred thousand, one hundred thirty-three".