1023112331103 has 16 divisors (see below), whose sum is σ = 1367432119296. Its totient is φ = 680433988320.

The previous prime is 1023112331093. The next prime is 1023112331173. The reversal of 1023112331103 is 3011332113201.

It is a happy number.

It is not a de Polignac number, because 1023112331103 - 2⁵ = 1023112331071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023112331103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023112331173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19312950 + ... + 19365852.

It is an arithmetic number, because the mean of its divisors is an integer number (85464507456).

Almost surely, 2^{1023112331103} is an apocalyptic number.

1023112331103 is a deficient number, since it is larger than the sum of its proper divisors (344319788193).

1023112331103 is a wasteful number, since it uses less digits than its factorization.

1023112331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68294.

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

Adding to 1023112331103 its reverse (3011332113201), we get a palindrome (4034444444304).

The spelling of 1023112331103 in words is "one trillion, twenty-three billion, one hundred twelve million, three hundred thirty-one thousand, one hundred three".