31200030141111 has 32 divisors (see below), whose sum is σ = 50478922045440. Its totient is φ = 18929595736800.

The previous prime is 31200030141109. The next prime is 31200030141143. The reversal of 31200030141111 is 11114103000213.

It is a happy number.

31200030141111 is a `hidden beast` number, since 312 + 0 + 0 + 0 + 301 + 41 + 1 + 11 = 666.

It is not a de Polignac number, because 31200030141111 - 2¹ = 31200030141109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31200030341111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 625953775 + ... + 626003616.

It is an arithmetic number, because the mean of its divisors is an integer number (1577466313920).

Almost surely, 2^{31200030141111} is an apocalyptic number.

31200030141111 is a deficient number, since it is larger than the sum of its proper divisors (19278891904329).

31200030141111 is a wasteful number, since it uses less digits than its factorization.

31200030141111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251957484 (or 1251957478 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 31200030141111 its reverse (11114103000213), we get a palindrome (42314133141324).

The spelling of 31200030141111 in words is "thirty-one trillion, two hundred billion, thirty million, one hundred forty-one thousand, one hundred eleven".