1231103030102 has 16 divisors (see below), whose sum is σ = 2014568226000. Its totient is φ = 559582287840.

The previous prime is 1231103030029. The next prime is 1231103030141. The reversal of 1231103030102 is 2010303011321.

It is a super-2 number, since 2×1231103030102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839024 + ... + 1779372.

It is an arithmetic number, because the mean of its divisors is an integer number (125910514125).

Almost surely, 2^{1231103030102} is an apocalyptic number.

1231103030102 is a deficient number, since it is larger than the sum of its proper divisors (783465195898).

1231103030102 is a wasteful number, since it uses less digits than its factorization.

1231103030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999871.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1231103030102 its reverse (2010303011321), we get a palindrome (3241406041423).

The spelling of 1231103030102 in words is "one trillion, two hundred thirty-one billion, one hundred three million, thirty thousand, one hundred two".