101031312003 has 4 divisors (see below), whose sum is σ = 134708416008. Its totient is φ = 67354208000.

The previous prime is 101031311977. The next prime is 101031312007. The reversal of 101031312003 is 300213130101.

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 101031312003 - 2²⁸ = 100762876547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101031312007) 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, 16838551998 + ... + 16838552003.

It is an arithmetic number, because the mean of its divisors is an integer number (33677104002).

Almost surely, 2^101031312003 is an apocalyptic number.

101031312003 is a deficient number, since it is larger than the sum of its proper divisors (33677104005).

101031312003 is an equidigital number, since it uses as much as digits as its factorization.

101031312003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33677104004.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 101031312003 its reverse (300213130101), we get a palindrome (401244442104).

The spelling of 101031312003 in words is "one hundred one billion, thirty-one million, three hundred twelve thousand, three".