103213631543 has 16 divisors (see below), whose sum is σ = 118543443840. Its totient is φ = 88876663200.

The previous prime is 103213631503. The next prime is 103213631603. The reversal of 103213631543 is 345136312301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103213631543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103213631503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1255328 + ... + 1335018.

It is an arithmetic number, because the mean of its divisors is an integer number (7408965240).

Almost surely, 2^103213631543 is an apocalyptic number.

103213631543 is a deficient number, since it is larger than the sum of its proper divisors (15329812297).

103213631543 is a wasteful number, since it uses less digits than its factorization.

103213631543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85918.

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

Adding to 103213631543 its reverse (345136312301), we get a palindrome (448349943844).

The spelling of 103213631543 in words is "one hundred three billion, two hundred thirteen million, six hundred thirty-one thousand, five hundred forty-three".