1312341433 has 16 divisors (see below), whose sum is σ = 1431133200. Its totient is φ = 1196181504.

The previous prime is 1312341431. The next prime is 1312341461. The reversal of 1312341433 is 3341432131.

It can be written as a sum of positive squares in 8 ways, for example, as 270536704 + 1041804729 = 16448^2 + 32277^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312341433 - 2¹ = 1312341431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312341398 and 1312341407.

It is not an unprimeable number, because it can be changed into a prime (1312341431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428893 + ... + 431941.

It is an arithmetic number, because the mean of its divisors is an integer number (89445825).

Almost surely, 2^1312341433 is an apocalyptic number.

1312341433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312341433 is a deficient number, since it is larger than the sum of its proper divisors (118791767).

1312341433 is a wasteful number, since it uses less digits than its factorization.

1312341433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468.

The product of its digits is 2592, while the sum is 25.

The square root of 1312341433 is about 36226.2533668609. The cubic root of 1312341433 is about 1094.8356913098.

Adding to 1312341433 its reverse (3341432131), we get a palindrome (4653773564).

The spelling of 1312341433 in words is "one billion, three hundred twelve million, three hundred forty-one thousand, four hundred thirty-three".