31000022003332 has 12 divisors (see below), whose sum is σ = 54903653428176. Its totient is φ = 15313263881000.

The previous prime is 31000022003311. The next prime is 31000022003383. The reversal of 31000022003332 is 23330022000013.

It is a happy number.

It is a super-2 number, since 2×31000022003332² (a number of 28 digits) contains 22 as substring.

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, 46686779794 + ... + 46686780457.

It is an arithmetic number, because the mean of its divisors is an integer number (4575304452348).

Almost surely, 2^{31000022003332} is an apocalyptic number.

It is an amenable number.

31000022003332 is a deficient number, since it is larger than the sum of its proper divisors (23903631424844).

31000022003332 is a wasteful number, since it uses less digits than its factorization.

31000022003332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93373560338 (or 93373560336 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 31000022003332 its reverse (23330022000013), we get a palindrome (54330044003345).

The spelling of 31000022003332 in words is "thirty-one trillion, twenty-two million, three thousand, three hundred thirty-two".