31000223230330 has 32 divisors (see below), whose sum is σ = 57330640857600. Its totient is φ = 12060294886080.

The previous prime is 31000223230271. The next prime is 31000223230351. The reversal of 31000223230330 is 3303232200013.

It is a super-2 number, since 2×31000223230330² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15209680 + ... + 17127019.

It is an arithmetic number, because the mean of its divisors is an integer number (1791582526800).

Almost surely, 2^{31000223230330} is an apocalyptic number.

31000223230330 is a deficient number, since it is larger than the sum of its proper divisors (26330417627270).

31000223230330 is a wasteful number, since it uses less digits than its factorization.

31000223230330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32339334.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 31000223230330 its reverse (3303232200013), we get a palindrome (34303455430343).

The spelling of 31000223230330 in words is "thirty-one trillion, two hundred twenty-three million, two hundred thirty thousand, three hundred thirty".