31423104102 has 16 divisors (see below), whose sum is σ = 67680532080. Its totient is φ = 9668647392.

The previous prime is 31423104067. The next prime is 31423104107. The reversal of 31423104102 is 20140132413.

It is a super-2 number, since 2×31423104102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31423104107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201430077 + ... + 201430232.

It is an arithmetic number, because the mean of its divisors is an integer number (4230033255).

Almost surely, 2^31423104102 is an apocalyptic number.

31423104102 is an abundant number, since it is smaller than the sum of its proper divisors (36257427978).

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

31423104102 is a wasteful number, since it uses less digits than its factorization.

31423104102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402860327.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31423104102 its reverse (20140132413), we get a palindrome (51563236515).

The spelling of 31423104102 in words is "thirty-one billion, four hundred twenty-three million, one hundred four thousand, one hundred two".