31242222240103 has 6 divisors (see below), whose sum is σ = 36342993218136. Its totient is φ = 26779047634332.

The previous prime is 31242222240083. The next prime is 31242222240113. The reversal of 31242222240103 is 30104222224213.

It is not a de Polignac number, because 31242222240103 - 2¹⁷ = 31242222109031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31242222240113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 318798186075 + ... + 318798186172.

It is an arithmetic number, because the mean of its divisors is an integer number (6057165536356).

Almost surely, 2^{31242222240103} is an apocalyptic number.

31242222240103 is a deficient number, since it is larger than the sum of its proper divisors (5100770978033).

31242222240103 is an equidigital number, since it uses as much as digits as its factorization.

31242222240103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637596372261 (or 637596372254 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 31242222240103 its reverse (30104222224213), we get a palindrome (61346444464316).

The spelling of 31242222240103 in words is "thirty-one trillion, two hundred forty-two billion, two hundred twenty-two million, two hundred forty thousand, one hundred three".