1231032112273 has 2 divisors, whose sum is σ = 1231032112274. Its totient is φ = 1231032112272.

The previous prime is 1231032112267. The next prime is 1231032112367. The reversal of 1231032112273 is 3722112301321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 948270859264 + 282761253009 = 973792^2 + 531753^2 .

It is a cyclic number.

It is not a de Polignac number, because 1231032112273 - 2²⁹ = 1230495241361 is a prime.

It is a super-2 number, since 2×1231032112273² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1231032112213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615516056136 + 615516056137.

It is an arithmetic number, because the mean of its divisors is an integer number (615516056137).

Almost surely, 2^{1231032112273} is an apocalyptic number.

It is an amenable number.

1231032112273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231032112273 is an equidigital number, since it uses as much as digits as its factorization.

1231032112273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

Adding to 1231032112273 its reverse (3722112301321), we get a palindrome (4953144413594).

The spelling of 1231032112273 in words is "one trillion, two hundred thirty-one billion, thirty-two million, one hundred twelve thousand, two hundred seventy-three".