31200141123 has 24 divisors (see below), whose sum is σ = 47728137600. Its totient is φ = 19572344064.

The previous prime is 31200141121. The next prime is 31200141127. The reversal of 31200141123 is 32114100213.

31200141123 is a `hidden beast` number, since 31 + 200 + 1 + 411 + 23 = 666.

It is not a de Polignac number, because 31200141123 - 2¹ = 31200141121 is a prime.

It is a super-2 number, since 2×31200141123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31200141096 and 31200141105.

It is not an unprimeable number, because it can be changed into a prime (31200141121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 788373 + ... + 827001.

It is an arithmetic number, because the mean of its divisors is an integer number (1988672400).

Almost surely, 2^31200141123 is an apocalyptic number.

31200141123 is a deficient number, since it is larger than the sum of its proper divisors (16527996477).

31200141123 is a wasteful number, since it uses less digits than its factorization.

31200141123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43931 (or 43928 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31200141123 its reverse (32114100213), we get a palindrome (63314241336).

The spelling of 31200141123 in words is "thirty-one billion, two hundred million, one hundred forty-one thousand, one hundred twenty-three".