101131023103 has 4 divisors (see below), whose sum is σ = 110324752488. Its totient is φ = 91937293720.

The previous prime is 101131023101. The next prime is 101131023197. The reversal of 101131023103 is 301320131101.

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 101131023103 - 2¹ = 101131023101 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 (101131023101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596864676 + ... + 4596864697.

It is an arithmetic number, because the mean of its divisors is an integer number (27581188122).

Almost surely, 2^101131023103 is an apocalyptic number.

101131023103 is a deficient number, since it is larger than the sum of its proper divisors (9193729385).

101131023103 is an equidigital number, since it uses as much as digits as its factorization.

101131023103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9193729384.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 101131023103 its reverse (301320131101), we get a palindrome (402451154204).

The spelling of 101131023103 in words is "one hundred one billion, one hundred thirty-one million, twenty-three thousand, one hundred three".