31442302022132 has 12 divisors (see below), whose sum is σ = 56921408833380. Its totient is φ = 15179042355456.

The previous prime is 31442302022099. The next prime is 31442302022191. The reversal of 31442302022132 is 23122020324413.

It can be written as a sum of positive squares in 2 ways, for example, as 10157772139876 + 21284529882256 = 3187126^2 + 4613516^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 31442302022095 and 31442302022104.

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, 135527163773 + ... + 135527164004.

It is an arithmetic number, because the mean of its divisors is an integer number (4743450736115).

Almost surely, 2^{31442302022132} is an apocalyptic number.

It is an amenable number.

31442302022132 is a deficient number, since it is larger than the sum of its proper divisors (25479106811248).

31442302022132 is a wasteful number, since it uses less digits than its factorization.

31442302022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271054327810 (or 271054327808 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 31442302022132 its reverse (23122020324413), we get a palindrome (54564322346545).

The spelling of 31442302022132 in words is "thirty-one trillion, four hundred forty-two billion, three hundred two million, twenty-two thousand, one hundred thirty-two".