31433312132 has 12 divisors (see below), whose sum is σ = 55671047376. Its totient is φ = 15527298600.

The previous prime is 31433312117. The next prime is 31433312143. The reversal of 31433312132 is 23121333413.

It is a super-2 number, since 2×31433312132² (a number of 22 digits) contains 22 as substring.

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, 47338994 + ... + 47339657.

It is an arithmetic number, because the mean of its divisors is an integer number (4639253948).

Almost surely, 2^31433312132 is an apocalyptic number.

It is an amenable number.

31433312132 is a deficient number, since it is larger than the sum of its proper divisors (24237735244).

31433312132 is a wasteful number, since it uses less digits than its factorization.

31433312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94678738 (or 94678736 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 31433312132 its reverse (23121333413), we get a palindrome (54554645545).

The spelling of 31433312132 in words is "thirty-one billion, four hundred thirty-three million, three hundred twelve thousand, one hundred thirty-two".