1312433433 has 12 divisors (see below), whose sum is σ = 1918578480. Its totient is φ = 864413496.

The previous prime is 1312433393. The next prime is 1312433443. The reversal of 1312433433 is 3343342131.

1312433433 is a `hidden beast` number, since 1 + 312 + 4 + 3 + 343 + 3 = 666.

It is not a de Polignac number, because 1312433433 - 2¹⁰ = 1312432409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1312433397 and 1312433406.

It is not an unprimeable number, because it can be changed into a prime (1312433443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 877723 + ... + 879216.

It is an arithmetic number, because the mean of its divisors is an integer number (159881540).

Almost surely, 2^1312433433 is an apocalyptic number.

It is an amenable number.

1312433433 is a deficient number, since it is larger than the sum of its proper divisors (606145047).

1312433433 is a wasteful number, since it uses less digits than its factorization.

1312433433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1757028 (or 1757025 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 1312433433 is about 36227.5231419428. The cubic root of 1312433433 is about 1094.8612747257.

Adding to 1312433433 its reverse (3343342131), we get a palindrome (4655775564).

The spelling of 1312433433 in words is "one billion, three hundred twelve million, four hundred thirty-three thousand, four hundred thirty-three".