1131130331031 has 8 divisors (see below), whose sum is σ = 1508269310064. Its totient is φ = 754039119680.

The previous prime is 1131130330973. The next prime is 1131130331063. The reversal of 1131130331031 is 1301330311311.

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 1131130331031 - 2⁷ = 1131130330903 is a prime.

It is a super-2 number, since 2×1131130331031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131130330989 and 1131130331007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131130331731) 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, 11886630 + ... + 11981411.

It is an arithmetic number, because the mean of its divisors is an integer number (188533663758).

Almost surely, 2^{1131130331031} is an apocalyptic number.

1131130331031 is a deficient number, since it is larger than the sum of its proper divisors (377138979033).

1131130331031 is a wasteful number, since it uses less digits than its factorization.

1131130331031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23883841.

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

Adding to 1131130331031 its reverse (1301330311311), we get a palindrome (2432460642342).

The spelling of 1131130331031 in words is "one trillion, one hundred thirty-one billion, one hundred thirty million, three hundred thirty-one thousand, thirty-one".