31443043044 has 72 divisors (see below), whose sum is σ = 89056110528. Its totient is φ = 8593126080.

The previous prime is 31443043043. The next prime is 31443043063. The reversal of 31443043044 is 44034034413.

It is not an unprimeable number, because it can be changed into a prime (31443043043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1148967 + ... + 1176014.

It is an arithmetic number, because the mean of its divisors is an integer number (1236890424).

Almost surely, 2^31443043044 is an apocalyptic number.

It is an amenable number.

31443043044 is an abundant number, since it is smaller than the sum of its proper divisors (57613067484).

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

31443043044 is a wasteful number, since it uses less digits than its factorization.

31443043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325025 (or 2325016 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 31443043044 its reverse (44034034413), we get a palindrome (75477077457).

The spelling of 31443043044 in words is "thirty-one billion, four hundred forty-three million, forty-three thousand, forty-four".