1131023203102 has 16 divisors (see below), whose sum is σ = 1906473895200. Its totient is φ = 499314591072.

The previous prime is 1131023203087. The next prime is 1131023203109. The reversal of 1131023203102 is 2013023201311.

It is a self number, because there is not a number n which added to its sum of digits gives 1131023203102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131023203109) 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, 945670977 + ... + 945672172.

It is an arithmetic number, because the mean of its divisors is an integer number (119154618450).

Almost surely, 2^{1131023203102} is an apocalyptic number.

1131023203102 is a deficient number, since it is larger than the sum of its proper divisors (775450692098).

1131023203102 is a wasteful number, since it uses less digits than its factorization.

1131023203102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891343187.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1131023203102 its reverse (2013023201311), we get a palindrome (3144046404413).

The spelling of 1131023203102 in words is "one trillion, one hundred thirty-one billion, twenty-three million, two hundred three thousand, one hundred two".