21031130231014 has 16 divisors (see below), whose sum is σ = 33207232968000. Its totient is φ = 9962058749544.

The previous prime is 21031130230997. The next prime is 21031130231057. The reversal of 21031130231014 is 41013203113012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5813689 + ... + 8709835.

It is an arithmetic number, because the mean of its divisors is an integer number (2075452060500).

Almost surely, 2^{21031130231014} is an apocalyptic number.

21031130231014 is a deficient number, since it is larger than the sum of its proper divisors (12176102736986).

21031130231014 is a wasteful number, since it uses less digits than its factorization.

21031130231014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087267.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 21031130231014 its reverse (41013203113012), we get a palindrome (62044333344026).

The spelling of 21031130231014 in words is "twenty-one trillion, thirty-one billion, one hundred thirty million, two hundred thirty-one thousand, fourteen".