20131331102 has 8 divisors (see below), whose sum is σ = 30207832200. Its totient is φ = 10062053704.

The previous prime is 20131331089. The next prime is 20131331173. The reversal of 20131331102 is 20113313102.

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, 1798952 + ... + 1810107.

It is an arithmetic number, because the mean of its divisors is an integer number (3775979025).

Almost surely, 2^20131331102 is an apocalyptic number.

20131331102 is a deficient number, since it is larger than the sum of its proper divisors (10076501098).

20131331102 is a wasteful number, since it uses less digits than its factorization.

20131331102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611850.

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

Adding to 20131331102 its reverse (20113313102), we get a palindrome (40244644204).

The spelling of 20131331102 in words is "twenty billion, one hundred thirty-one million, three hundred thirty-one thousand, one hundred two".