1340431112403 has 12 divisors (see below), whose sum is σ = 1936246935168. Its totient is φ = 893589051600.

The previous prime is 1340431112399. The next prime is 1340431112407. The reversal of 1340431112403 is 3042111340431.

1340431112403 is a `hidden beast` number, since 1 + 3 + 404 + 3 + 1 + 11 + 240 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (1340431112399) and next prime (1340431112407).

It is not a de Polignac number, because 1340431112403 - 2² = 1340431112399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1340431112407) 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, 2371500 + ... + 2881817.

It is an arithmetic number, because the mean of its divisors is an integer number (161353911264).

Almost surely, 2^{1340431112403} is an apocalyptic number.

1340431112403 is a deficient number, since it is larger than the sum of its proper divisors (595815822765).

1340431112403 is a wasteful number, since it uses less digits than its factorization.

1340431112403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281674 (or 5281671 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1340431112403 its reverse (3042111340431), we get a palindrome (4382542452834).

The spelling of 1340431112403 in words is "one trillion, three hundred forty billion, four hundred thirty-one million, one hundred twelve thousand, four hundred three".