1131030231001 has 6 divisors (see below), whose sum is σ = 1243198518506. Its totient is φ = 1028209300800.

The previous prime is 1131030230989. The next prime is 1131030231011. The reversal of 1131030231001 is 1001320301311.

It can be written as a sum of positive squares in only one way, i.e., 852942755401 + 278087475600 = 923549^2 + 527340^2 .

It is not a de Polignac number, because 1131030231001 - 2³¹ = 1128882747353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131030231011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4673678520 + ... + 4673678761.

Almost surely, 2^{1131030231001} is an apocalyptic number.

1131030231001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1131030231001 is a deficient number, since it is larger than the sum of its proper divisors (112168287505).

1131030231001 is an equidigital number, since it uses as much as digits as its factorization.

1131030231001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347357303 (or 9347357292 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1131030231001 its reverse (1001320301311), we get a palindrome (2132350532312).

The spelling of 1131030231001 in words is "one trillion, one hundred thirty-one billion, thirty million, two hundred thirty-one thousand, one".