31423002244 has 24 divisors (see below), whose sum is σ = 55230529536. Its totient is φ = 15642900000.

The previous prime is 31423002241. The next prime is 31423002251. The reversal of 31423002244 is 44220032413.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31423002241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3832189 + ... + 3840379.

It is an arithmetic number, because the mean of its divisors is an integer number (2301272064).

Almost surely, 2^31423002244 is an apocalyptic number.

It is an amenable number.

31423002244 is a deficient number, since it is larger than the sum of its proper divisors (23807527292).

31423002244 is a wasteful number, since it uses less digits than its factorization.

31423002244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267 (or 12265 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 31423002244 its reverse (44220032413), we get a palindrome (75643034657).

The spelling of 31423002244 in words is "thirty-one billion, four hundred twenty-three million, two thousand, two hundred forty-four".