1312430331133 has 4 divisors (see below), whose sum is σ = 1312447747968. Its totient is φ = 1312412914300.

The previous prime is 1312430331127. The next prime is 1312430331139. The reversal of 1312430331133 is 3311330342131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1312430331127) and next prime (1312430331139).

It is a cyclic number.

It is not a de Polignac number, because 1312430331133 - 2¹³ = 1312430322941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312430331139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8594893 + ... + 8746258.

It is an arithmetic number, because the mean of its divisors is an integer number (328111936992).

Almost surely, 2^{1312430331133} is an apocalyptic number.

It is an amenable number.

1312430331133 is a deficient number, since it is larger than the sum of its proper divisors (17416835).

1312430331133 is an equidigital number, since it uses as much as digits as its factorization.

1312430331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17416834.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 1312430331133 its reverse (3311330342131), we get a palindrome (4623760673264).

The spelling of 1312430331133 in words is "one trillion, three hundred twelve billion, four hundred thirty million, three hundred thirty-one thousand, one hundred thirty-three".