1131376604431 has 8 divisors (see below), whose sum is σ = 1144519210800. Its totient is φ = 1118243565120.

The previous prime is 1131376604419. The next prime is 1131376604471. The reversal of 1131376604431 is 1344066731311.

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 1131376604431 - 2²⁹ = 1130839733519 is a prime.

It is a super-2 number, since 2×1131376604431² (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 (1131376604401) 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, 2153740 + ... + 2627041.

It is an arithmetic number, because the mean of its divisors is an integer number (143064901350).

Almost surely, 2^{1131376604431} is an apocalyptic number.

1131376604431 is a deficient number, since it is larger than the sum of its proper divisors (13142606369).

1131376604431 is an equidigital number, since it uses as much as digits as its factorization.

1131376604431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4783529.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 1131376604431 in words is "one trillion, one hundred thirty-one billion, three hundred seventy-six million, six hundred four thousand, four hundred thirty-one".