103213136543 has 24 divisors (see below), whose sum is σ = 116372137728. Its totient is φ = 90736380000.

The previous prime is 103213136539. The next prime is 103213136573. The reversal of 103213136543 is 345631312301.

It is not a de Polignac number, because 103213136543 - 2² = 103213136539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213136503) 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 23 ways as a sum of consecutive naturals, for example, 4814378 + ... + 4835768.

It is an arithmetic number, because the mean of its divisors is an integer number (4848839072).

Almost surely, 2^103213136543 is an apocalyptic number.

103213136543 is a deficient number, since it is larger than the sum of its proper divisors (13159001185).

103213136543 is a wasteful number, since it uses less digits than its factorization.

103213136543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21647 (or 21546 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 103213136543 its reverse (345631312301), we get a palindrome (448844448844).

The spelling of 103213136543 in words is "one hundred three billion, two hundred thirteen million, one hundred thirty-six thousand, five hundred forty-three".