31423310113 has 16 divisors (see below), whose sum is σ = 35737683520. Its totient is φ = 27389918016.

The previous prime is 31423310057. The next prime is 31423310123. The reversal of 31423310113 is 31101332413.

It is a cyclic number.

It is not a de Polignac number, because 31423310113 - 2²¹ = 31421212961 is a prime.

It is a super-3 number, since 3×31423310113³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31423310123) 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, 131370 + ... + 283027.

It is an arithmetic number, because the mean of its divisors is an integer number (2233605220).

Almost surely, 2^31423310113 is an apocalyptic number.

It is an amenable number.

31423310113 is a deficient number, since it is larger than the sum of its proper divisors (4314373407).

31423310113 is a wasteful number, since it uses less digits than its factorization.

31423310113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414736.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31423310113 its reverse (31101332413), we get a palindrome (62524642526).

The spelling of 31423310113 in words is "thirty-one billion, four hundred twenty-three million, three hundred ten thousand, one hundred thirteen".