1303431411431 has 6 divisors (see below), whose sum is σ = 1349927182032. Its totient is φ = 1258485499880.

The previous prime is 1303431411409. The next prime is 1303431411449. The reversal of 1303431411431 is 1341141343031.

It is not a de Polignac number, because 1303431411431 - 2²⁶ = 1303364302567 is a prime.

It is a super-2 number, since 2×1303431411431² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1303431411394 and 1303431411403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303431410431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 774928655 + ... + 774930336.

It is an arithmetic number, because the mean of its divisors is an integer number (224987863672).

Almost surely, 2^{1303431411431} is an apocalyptic number.

1303431411431 is a deficient number, since it is larger than the sum of its proper divisors (46495770601).

1303431411431 is an equidigital number, since it uses as much as digits as its factorization.

1303431411431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549859049 (or 1549859020 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 1303431411431 its reverse (1341141343031), we get a palindrome (2644572754462).

The spelling of 1303431411431 in words is "one trillion, three hundred three billion, four hundred thirty-one million, four hundred eleven thousand, four hundred thirty-one".