31330043322 has 16 divisors (see below), whose sum is σ = 63006277152. Its totient is φ = 10385649360.

The previous prime is 31330043321. The next prime is 31330043399. The reversal of 31330043322 is 22334003313.

It is a happy number.

It is a super-2 number, since 2×31330043322² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31330043292 and 31330043301.

It is not an unprimeable number, because it can be changed into a prime (31330043321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14423428 + ... + 14425599.

It is an arithmetic number, because the mean of its divisors is an integer number (3937892322).

Almost surely, 2^31330043322 is an apocalyptic number.

31330043322 is an abundant number, since it is smaller than the sum of its proper divisors (31676233830).

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

31330043322 is a wasteful number, since it uses less digits than its factorization.

31330043322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28849213.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 31330043322 its reverse (22334003313), we get a palindrome (53664046635).

The spelling of 31330043322 in words is "thirty-one billion, three hundred thirty million, forty-three thousand, three hundred twenty-two".