1131211313031 has 8 divisors (see below), whose sum is σ = 1597004206704. Its totient is φ = 709779647360.

The previous prime is 1131211312981. The next prime is 1131211313083. The reversal of 1131211313031 is 1303131121311.

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 1131211313031 - 2²¹ = 1131209215879 is a prime.

It is a super-2 number, since 2×1131211313031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131211312989 and 1131211313007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131211311031) 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, 11090306940 + ... + 11090307041.

It is an arithmetic number, because the mean of its divisors is an integer number (199625525838).

Almost surely, 2^{1131211313031} is an apocalyptic number.

1131211313031 is a deficient number, since it is larger than the sum of its proper divisors (465792893673).

1131211313031 is a wasteful number, since it uses less digits than its factorization.

1131211313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22180614001.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1131211313031 its reverse (1303131121311), we get a palindrome (2434342434342).

The spelling of 1131211313031 in words is "one trillion, one hundred thirty-one billion, two hundred eleven million, three hundred thirteen thousand, thirty-one".