101312203 has 6 divisors (see below), whose sum is σ = 103262684. Its totient is φ = 99397896.

The previous prime is 101312147. The next prime is 101312209. The reversal of 101312203 is 302213101.

It is a de Polignac number, because none of the positive numbers 2^k-101312203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101312209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15225 + ... + 20842.

Almost surely, 2^101312203 is an apocalyptic number.

101312203 is a deficient number, since it is larger than the sum of its proper divisors (1950481).

101312203 is an frugal number, since it uses more digits than its factorization.

101312203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36173 (or 36120 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 101312203 is about 10065.3963160921. The cubic root of 101312203 is about 466.1803028643.

Adding to 101312203 its reverse (302213101), we get a palindrome (403525304).

The spelling of 101312203 in words is "one hundred one million, three hundred twelve thousand, two hundred three".