31064040224 has 24 divisors (see below), whose sum is σ = 69894091008. Its totient is φ = 13313160000.

The previous prime is 31064040223. The next prime is 31064040233. The reversal of 31064040224 is 42204046013.

It is a junction number, because it is equal to n+sod(n) for n = 31064040193 and 31064040202.

It is not an unprimeable number, because it can be changed into a prime (31064040223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69339152 + ... + 69339599.

It is an arithmetic number, because the mean of its divisors is an integer number (2912253792).

Almost surely, 2^31064040224 is an apocalyptic number.

It is an amenable number.

31064040224 is an abundant number, since it is smaller than the sum of its proper divisors (38830050784).

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

31064040224 is a wasteful number, since it uses less digits than its factorization.

31064040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138678768 (or 138678760 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31064040224 its reverse (42204046013), we get a palindrome (73268086237).

The spelling of 31064040224 in words is "thirty-one billion, sixty-four million, forty thousand, two hundred twenty-four".