1131113032331 has 4 divisors (see below), whose sum is σ = 1152454787712. Its totient is φ = 1109771276952.

The previous prime is 1131113032307. The next prime is 1131113032429. The reversal of 1131113032331 is 1332303111311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1131113032331 - 2³⁰ = 1130039290507 is a prime.

It is a super-2 number, since 2×1131113032331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131113032297 and 1131113032306.

It is not an unprimeable number, because it can be changed into a prime (1131113032531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10670877611 + ... + 10670877716.

It is an arithmetic number, because the mean of its divisors is an integer number (288113696928).

Almost surely, 2^{1131113032331} is an apocalyptic number.

1131113032331 is a deficient number, since it is larger than the sum of its proper divisors (21341755381).

1131113032331 is an equidigital number, since it uses as much as digits as its factorization.

1131113032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21341755380.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1131113032331 its reverse (1332303111311), we get a palindrome (2463416143642).

The spelling of 1131113032331 in words is "one trillion, one hundred thirty-one billion, one hundred thirteen million, thirty-two thousand, three hundred thirty-one".