1131131232031 has 8 divisors (see below), whose sum is σ = 1133896649600. Its totient is φ = 1128366673560.

The previous prime is 1131131232017. The next prime is 1131131232037. The reversal of 1131131232031 is 1302321311311.

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 1131131232031 - 2⁵ = 1131131231999 is a prime.

It is a super-2 number, since 2×1131131232031² (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 = 1131131231993 and 1131131232011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131131232037) 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, 2462440 + ... + 2885458.

It is an arithmetic number, because the mean of its divisors is an integer number (141737081200).

Almost surely, 2^{1131131232031} is an apocalyptic number.

1131131232031 is a deficient number, since it is larger than the sum of its proper divisors (2765417569).

1131131232031 is an equidigital number, since it uses as much as digits as its factorization.

1131131232031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429549.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1131131232031 its reverse (1302321311311), we get a palindrome (2433452543342).

The spelling of 1131131232031 in words is "one trillion, one hundred thirty-one billion, one hundred thirty-one million, two hundred thirty-two thousand, thirty-one".