31236030542103 has 4 divisors (see below), whose sum is σ = 41648040722808. Its totient is φ = 20824020361400.

The previous prime is 31236030542081. The next prime is 31236030542113. The reversal of 31236030542103 is 30124503063213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31236030542103 - 2¹² = 31236030538007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31236030542113) 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 3 ways as a sum of consecutive naturals, for example, 5206005090348 + ... + 5206005090353.

It is an arithmetic number, because the mean of its divisors is an integer number (10412010180702).

Almost surely, 2^{31236030542103} is an apocalyptic number.

31236030542103 is a deficient number, since it is larger than the sum of its proper divisors (10412010180705).

31236030542103 is a wasteful number, since it uses less digits than its factorization.

31236030542103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10412010180704.

The product of its (nonzero) digits is 38880, while the sum is 33.

The spelling of 31236030542103 in words is "thirty-one trillion, two hundred thirty-six billion, thirty million, five hundred forty-two thousand, one hundred three".