31633005142 has 16 divisors (see below), whose sum is σ = 47580890112. Its totient is φ = 15772769280.

The previous prime is 31633005029. The next prime is 31633005163. The reversal of 31633005142 is 24150033613.

It is a self number, because there is not a number n which added to its sum of digits gives 31633005142.

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, 1079083 + ... + 1108009.

It is an arithmetic number, because the mean of its divisors is an integer number (2973805632).

Almost surely, 2^31633005142 is an apocalyptic number.

31633005142 is a deficient number, since it is larger than the sum of its proper divisors (15947884970).

31633005142 is a wasteful number, since it uses less digits than its factorization.

31633005142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30423.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 31633005142 its reverse (24150033613), we get a palindrome (55783038755).

The spelling of 31633005142 in words is "thirty-one billion, six hundred thirty-three million, five thousand, one hundred forty-two".