31342232443 has 2 divisors, whose sum is σ = 31342232444. Its totient is φ = 31342232442.

The previous prime is 31342232407. The next prime is 31342232479. The reversal of 31342232443 is 34423224313.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (31342232407) and next prime (31342232479).

It is a cyclic number.

It is not a de Polignac number, because 31342232443 - 2²¹ = 31340135291 is a prime.

It is a super-2 number, since 2×31342232443² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31342232483) 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 as a sum of consecutive naturals, namely, 15671116221 + 15671116222.

It is an arithmetic number, because the mean of its divisors is an integer number (15671116222).

Almost surely, 2^31342232443 is an apocalyptic number.

31342232443 is a deficient number, since it is larger than the sum of its proper divisors (1).

31342232443 is an equidigital number, since it uses as much as digits as its factorization.

31342232443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 31.

Adding to 31342232443 its reverse (34423224313), we get a palindrome (65765456756).

The spelling of 31342232443 in words is "thirty-one billion, three hundred forty-two million, two hundred thirty-two thousand, four hundred forty-three".