1031012112323 has 4 divisors (see below), whose sum is σ = 1035635485248. Its totient is φ = 1026388739400.

The previous prime is 1031012112307. The next prime is 1031012112341. The reversal of 1031012112323 is 3232112101301.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1031012112323 - 2⁴ = 1031012112307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031012112295 and 1031012112304.

It is not an unprimeable number, because it can be changed into a prime (1031012112623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311686128 + ... + 2311686573.

It is an arithmetic number, because the mean of its divisors is an integer number (258908871312).

Almost surely, 2^{1031012112323} is an apocalyptic number.

1031012112323 is a deficient number, since it is larger than the sum of its proper divisors (4623372925).

1031012112323 is an equidigital number, since it uses as much as digits as its factorization.

1031012112323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623372924.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031012112323 its reverse (3232112101301), we get a palindrome (4263124213624).

The spelling of 1031012112323 in words is "one trillion, thirty-one billion, twelve million, one hundred twelve thousand, three hundred twenty-three".