1031130211323 has 4 divisors (see below), whose sum is σ = 1374840281768. Its totient is φ = 687420140880.

The previous prime is 1031130211289. The next prime is 1031130211327. The reversal of 1031130211323 is 3231120311301.

It is a happy number.

1031130211323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1031130211323 - 2¹² = 1031130207227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031130211323.

It is not an unprimeable number, because it can be changed into a prime (1031130211327) 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, 171855035218 + ... + 171855035223.

It is an arithmetic number, because the mean of its divisors is an integer number (343710070442).

Almost surely, 2^{1031130211323} is an apocalyptic number.

1031130211323 is a deficient number, since it is larger than the sum of its proper divisors (343710070445).

1031130211323 is an equidigital number, since it uses as much as digits as its factorization.

1031130211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343710070444.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1031130211323 its reverse (3231120311301), we get a palindrome (4262250522624).

The spelling of 1031130211323 in words is "one trillion, thirty-one billion, one hundred thirty million, two hundred eleven thousand, three hundred twenty-three".