1131222233031 has 32 divisors (see below), whose sum is σ = 1673223311616. Its totient is φ = 674013312000.

The previous prime is 1131222232891. The next prime is 1131222233039. The reversal of 1131222233031 is 1303322221311.

It is not a de Polignac number, because 1131222233031 - 2¹⁷ = 1131222101959 is a prime.

It is a super-2 number, since 2×1131222233031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131222232992 and 1131222233010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131222233039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3920916 + ... + 4199526.

It is an arithmetic number, because the mean of its divisors is an integer number (52288228488).

Almost surely, 2^{1131222233031} is an apocalyptic number.

1131222233031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1131222233031 is a deficient number, since it is larger than the sum of its proper divisors (542001078585).

1131222233031 is a wasteful number, since it uses less digits than its factorization.

1131222233031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280703.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1131222233031 its reverse (1303322221311), we get a palindrome (2434544454342).

The spelling of 1131222233031 in words is "one trillion, one hundred thirty-one billion, two hundred twenty-two million, two hundred thirty-three thousand, thirty-one".