19112931402103 has 64 divisors (see below), whose sum is σ = 24216959950848. Its totient is φ = 14651876229120.

The previous prime is 19112931402079. The next prime is 19112931402121. The reversal of 19112931402103 is 30120413921191.

It is a cyclic number.

It is not a de Polignac number, because 19112931402103 - 2³³ = 19104341467511 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19112931402163) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4631190426 + ... + 4631194552.

It is an arithmetic number, because the mean of its divisors is an integer number (378389999232).

Almost surely, 2^{19112931402103} is an apocalyptic number.

19112931402103 is a deficient number, since it is larger than the sum of its proper divisors (5104028548745).

19112931402103 is a wasteful number, since it uses less digits than its factorization.

19112931402103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 19112931402103 in words is "nineteen trillion, one hundred twelve billion, nine hundred thirty-one million, four hundred two thousand, one hundred three".