31442344033123 has 2 divisors, whose sum is σ = 31442344033124. Its totient is φ = 31442344033122.

The previous prime is 31442344033117. The next prime is 31442344033201. The reversal of 31442344033123 is 32133044324413.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31442344033123 - 2¹⁷ = 31442343902051 is a prime.

It is a super-2 number, since 2×31442344033123² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31442344033103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15721172016561 + 15721172016562.

It is an arithmetic number, because the mean of its divisors is an integer number (15721172016562).

Almost surely, 2^{31442344033123} is an apocalyptic number.

31442344033123 is a deficient number, since it is larger than the sum of its proper divisors (1).

31442344033123 is an equidigital number, since it uses as much as digits as its factorization.

31442344033123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 31442344033123 its reverse (32133044324413), we get a palindrome (63575388357536).

The spelling of 31442344033123 in words is "thirty-one trillion, four hundred forty-two billion, three hundred forty-four million, thirty-three thousand, one hundred twenty-three".