1131031130331 has 8 divisors (see below), whose sum is σ = 1512150613504. Its totient is φ = 751966200360.

The previous prime is 1131031130309. The next prime is 1131031130347. The reversal of 1131031130331 is 1330311301311.

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

It is not a de Polignac number, because 1131031130331 - 2²¹ = 1131029033179 is a prime.

It is a super-2 number, since 2×1131031130331² (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 = 1131031130298 and 1131031130307.

It is not an unprimeable number, because it can be changed into a prime (1131031130431) 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, 513637015 + ... + 513639216.

It is an arithmetic number, because the mean of its divisors is an integer number (189018826688).

Almost surely, 2^{1131031130331} is an apocalyptic number.

1131031130331 is a deficient number, since it is larger than the sum of its proper divisors (381119483173).

1131031130331 is a wasteful number, since it uses less digits than its factorization.

1131031130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027276601.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 1131031130331 its reverse (1330311301311), we get a palindrome (2461342431642).

The spelling of 1131031130331 in words is "one trillion, one hundred thirty-one billion, thirty-one million, one hundred thirty thousand, three hundred thirty-one".