1231133310102 has 64 divisors (see below), whose sum is σ = 2554292828160. Its totient is φ = 395268973056.

The previous prime is 1231133309977. The next prime is 1231133310119. The reversal of 1231133310102 is 2010133311321.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34163998 + ... + 34200014.

It is an arithmetic number, because the mean of its divisors is an integer number (39910825440).

Almost surely, 2^{1231133310102} is an apocalyptic number.

1231133310102 is an abundant number, since it is smaller than the sum of its proper divisors (1323159518058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1231133310102 is a wasteful number, since it uses less digits than its factorization.

1231133310102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37605.

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

Adding to 1231133310102 its reverse (2010133311321), we get a palindrome (3241266621423).

The spelling of 1231133310102 in words is "one trillion, two hundred thirty-one billion, one hundred thirty-three million, three hundred ten thousand, one hundred two".