1331413134431 has 8 divisors (see below), whose sum is σ = 1379710992720. Its totient is φ = 1283274413568.

The previous prime is 1331413134427. The next prime is 1331413134503. The reversal of 1331413134431 is 1344313141331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1331413134431 - 2² = 1331413134427 is a prime.

It is a super-2 number, since 2×1331413134431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331413130431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39767321 + ... + 39800786.

It is an arithmetic number, because the mean of its divisors is an integer number (172463874090).

Almost surely, 2^{1331413134431} is an apocalyptic number.

1331413134431 is a deficient number, since it is larger than the sum of its proper divisors (48297858289).

1331413134431 is an equidigital number, since it uses as much as digits as its factorization.

1331413134431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79568713.

The product of its digits is 15552, while the sum is 32.

Adding to 1331413134431 its reverse (1344313141331), we get a palindrome (2675726275762).

The spelling of 1331413134431 in words is "one trillion, three hundred thirty-one billion, four hundred thirteen million, one hundred thirty-four thousand, four hundred thirty-one".