31232300422 has 32 divisors (see below), whose sum is σ = 48639596544. Its totient is φ = 15025176000.

The previous prime is 31232300353. The next prime is 31232300423. The reversal of 31232300422 is 22400323213.

It is a super-2 number, since 2×31232300422² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31232300393 and 31232300402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232300423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9798313 + ... + 9801499.

It is an arithmetic number, because the mean of its divisors is an integer number (1519987392).

Almost surely, 2^31232300422 is an apocalyptic number.

31232300422 is a deficient number, since it is larger than the sum of its proper divisors (17407296122).

31232300422 is a wasteful number, since it uses less digits than its factorization.

31232300422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31232300422 its reverse (22400323213), we get a palindrome (53632623635).

The spelling of 31232300422 in words is "thirty-one billion, two hundred thirty-two million, three hundred thousand, four hundred twenty-two".