31442231032 has 16 divisors (see below), whose sum is σ = 59384507760. Its totient is φ = 15606362304.

The previous prime is 31442231021. The next prime is 31442231053. The reversal of 31442231032 is 23013224413.

It is a super-2 number, since 2×31442231032² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31442230988 and 31442231006.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14342988 + ... + 14345179.

It is an arithmetic number, because the mean of its divisors is an integer number (3711531735).

Almost surely, 2^31442231032 is an apocalyptic number.

It is an amenable number.

31442231032 is a deficient number, since it is larger than the sum of its proper divisors (27942276728).

31442231032 is a wasteful number, since it uses less digits than its factorization.

31442231032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28688310 (or 28688306 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31442231032 its reverse (23013224413), we get a palindrome (54455455445).

The spelling of 31442231032 in words is "thirty-one billion, four hundred forty-two million, two hundred thirty-one thousand, thirty-two".