31442301223 has 16 divisors (see below), whose sum is σ = 32012236800. Its totient is φ = 30876219360.

The previous prime is 31442301203. The next prime is 31442301229. The reversal of 31442301223 is 32210324413.

It is a cyclic number.

It is not a de Polignac number, because 31442301223 - 2⁹ = 31442300711 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 (31442301229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36433290 + ... + 36434152.

It is an arithmetic number, because the mean of its divisors is an integer number (2000764800).

Almost surely, 2^31442301223 is an apocalyptic number.

31442301223 is a deficient number, since it is larger than the sum of its proper divisors (569935577).

31442301223 is an equidigital number, since it uses as much as digits as its factorization.

31442301223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2382.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31442301223 its reverse (32210324413), we get a palindrome (63652625636).

The spelling of 31442301223 in words is "thirty-one billion, four hundred forty-two million, three hundred one thousand, two hundred twenty-three".