31253433530105 has 16 divisors (see below), whose sum is σ = 37517500940544. Its totient is φ = 24993827553600.

The previous prime is 31253433530071. The next prime is 31253433530197. The reversal of 31253433530105 is 50103533435213.

It is not a de Polignac number, because 31253433530105 - 2¹² = 31253433526009 is a prime.

It is a super-2 number, since 2×31253433530105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233965964 + ... + 234099506.

It is an arithmetic number, because the mean of its divisors is an integer number (2344843808784).

Almost surely, 2^{31253433530105} is an apocalyptic number.

It is an amenable number.

31253433530105 is a deficient number, since it is larger than the sum of its proper divisors (6264067410439).

31253433530105 is a wasteful number, since it uses less digits than its factorization.

31253433530105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149896.

The product of its (nonzero) digits is 243000, while the sum is 38.

Adding to 31253433530105 its reverse (50103533435213), we get a palindrome (81356966965318).

The spelling of 31253433530105 in words is "thirty-one trillion, two hundred fifty-three billion, four hundred thirty-three million, five hundred thirty thousand, one hundred five".