1233132231031 has 4 divisors (see below), whose sum is σ = 1233134453232. Its totient is φ = 1233130008832.

The previous prime is 1233132231007. The next prime is 1233132231041. The reversal of 1233132231031 is 1301322313321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1233132231031 - 2¹⁷ = 1233132099959 is a prime.

It is a super-2 number, since 2×1233132231031² (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 = 1233132230987 and 1233132231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233132231041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499206 + ... + 1647868.

It is an arithmetic number, because the mean of its divisors is an integer number (308283613308).

Almost surely, 2^{1233132231031} is an apocalyptic number.

1233132231031 is a deficient number, since it is larger than the sum of its proper divisors (2222201).

1233132231031 is a wasteful number, since it uses less digits than its factorization.

1233132231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222200.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1233132231031 its reverse (1301322313321), we get a palindrome (2534454544352).

The spelling of 1233132231031 in words is "one trillion, two hundred thirty-three billion, one hundred thirty-two million, two hundred thirty-one thousand, thirty-one".