100431315511111 has 12 divisors (see below), whose sum is σ = 110594307935160. Its totient is φ = 91134544444320.

The previous prime is 100431315511103. The next prime is 100431315511129. The reversal of 100431315511111 is 111115513134001.

It is not a de Polignac number, because 100431315511111 - 2³ = 100431315511103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100431315511111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100431315511171) 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, 5036160700 + ... + 5036180641.

It is an arithmetic number, because the mean of its divisors is an integer number (9216192327930).

Almost surely, 2^{100431315511111} is an apocalyptic number.

100431315511111 is a deficient number, since it is larger than the sum of its proper divisors (10162992424049).

100431315511111 is a wasteful number, since it uses less digits than its factorization.

100431315511111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10072341426 (or 10072341413 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 28.

Adding to 100431315511111 its reverse (111115513134001), we get a palindrome (211546828645112).

The spelling of 100431315511111 in words is "one hundred trillion, four hundred thirty-one billion, three hundred fifteen million, five hundred eleven thousand, one hundred eleven".