31144134442203 has 12 divisors (see below), whose sum is σ = 44986402047600. Its totient is φ = 20762557798416.

The previous prime is 31144134442193. The next prime is 31144134442207. The reversal of 31144134442203 is 30224443144113.

31144134442203 is a `hidden beast` number, since 3 + 1 + 1 + 4 + 4 + 1 + 3 + 4 + 442 + 203 = 666.

It is not a de Polignac number, because 31144134442203 - 2⁸ = 31144134441947 is a prime.

It is a super-2 number, since 2×31144134442203² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31144134442207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15544503 + ... + 17433296.

It is an arithmetic number, because the mean of its divisors is an integer number (3748866837300).

Almost surely, 2^{31144134442203} is an apocalyptic number.

31144134442203 is a deficient number, since it is larger than the sum of its proper divisors (13842267605397).

31144134442203 is a wasteful number, since it uses less digits than its factorization.

31144134442203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33082738 (or 33082735 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 31144134442203 its reverse (30224443144113), we get a palindrome (61368577586316).

The spelling of 31144134442203 in words is "thirty-one trillion, one hundred forty-four billion, one hundred thirty-four million, four hundred forty-two thousand, two hundred three".