31040321102 has 16 divisors (see below), whose sum is σ = 53307525600. Its totient is φ = 13279108128.

The previous prime is 31040321101. The next prime is 31040321141. The reversal of 31040321102 is 20112304013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31040321101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982477 + ... + 1998072.

It is an arithmetic number, because the mean of its divisors is an integer number (3331720350).

Almost surely, 2^31040321102 is an apocalyptic number.

31040321102 is a deficient number, since it is larger than the sum of its proper divisors (22267204498).

31040321102 is a wasteful number, since it uses less digits than its factorization.

31040321102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981115.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31040321102 its reverse (20112304013), we get a palindrome (51152625115).

The spelling of 31040321102 in words is "thirty-one billion, forty million, three hundred twenty-one thousand, one hundred two".