1131202110331 has 16 divisors (see below), whose sum is σ = 1143399029760. Its totient is φ = 1119076901280.

The previous prime is 1131202110307. The next prime is 1131202110341. The reversal of 1131202110331 is 1330112021311.

It is a cyclic number.

It is not a de Polignac number, because 1131202110331 - 2²⁵ = 1131168555899 is a prime.

It is a super-2 number, since 2×1131202110331² (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 = 1131202110299 and 1131202110308.

It is not an unprimeable number, because it can be changed into a prime (1131202110301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43296490 + ... + 43322608.

It is an arithmetic number, because the mean of its divisors is an integer number (71462439360).

Almost surely, 2^{1131202110331} is an apocalyptic number.

1131202110331 is a deficient number, since it is larger than the sum of its proper divisors (12196919429).

1131202110331 is a wasteful number, since it uses less digits than its factorization.

1131202110331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27474.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1131202110331 its reverse (1330112021311), we get a palindrome (2461314131642).

The spelling of 1131202110331 in words is "one trillion, one hundred thirty-one billion, two hundred two million, one hundred ten thousand, three hundred thirty-one".