1031321131233 has 8 divisors (see below), whose sum is σ = 1379573979168. Its totient is φ = 685307852064.

The previous prime is 1031321131229. The next prime is 1031321131273. The reversal of 1031321131233 is 3321311231301.

1031321131233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1031321131233 - 2² = 1031321131229 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031321131273) 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, 559891116 + ... + 559892957.

It is an arithmetic number, because the mean of its divisors is an integer number (172446747396).

Almost surely, 2^{1031321131233} is an apocalyptic number.

It is an amenable number.

1031321131233 is a deficient number, since it is larger than the sum of its proper divisors (348252847935).

1031321131233 is a wasteful number, since it uses less digits than its factorization.

1031321131233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119784383.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1031321131233 its reverse (3321311231301), we get a palindrome (4352632362534).

The spelling of 1031321131233 in words is "one trillion, thirty-one billion, three hundred twenty-one million, one hundred thirty-one thousand, two hundred thirty-three".