1231231102 has 8 divisors (see below), whose sum is σ = 1848250800. Its totient is φ = 615147504.

The previous prime is 1231231087. The next prime is 1231231121. The reversal of 1231231102 is 2011321321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230727 + ... + 236002.

It is an arithmetic number, because the mean of its divisors is an integer number (231031350).

Almost surely, 2^1231231102 is an apocalyptic number.

1231231102 is a deficient number, since it is larger than the sum of its proper divisors (617019698).

1231231102 is a wasteful number, since it uses less digits than its factorization.

1231231102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468050.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1231231102 is about 35088.9028326621. The cubic root of 1231231102 is about 1071.7986175651.

Adding to 1231231102 its reverse (2011321321), we get a palindrome (3242552423).

The spelling of 1231231102 in words is "one billion, two hundred thirty-one million, two hundred thirty-one thousand, one hundred two".