101031031223 has 4 divisors (see below), whose sum is σ = 103180627680. Its totient is φ = 98881434768.

The previous prime is 101031031147. The next prime is 101031031247. The reversal of 101031031223 is 322130130101.

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 101031031223 - 2¹² = 101031027127 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 (101031031723) 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, 1074798158 + ... + 1074798251.

It is an arithmetic number, because the mean of its divisors is an integer number (25795156920).

Almost surely, 2^101031031223 is an apocalyptic number.

101031031223 is a deficient number, since it is larger than the sum of its proper divisors (2149596457).

101031031223 is an equidigital number, since it uses as much as digits as its factorization.

101031031223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149596456.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 101031031223 its reverse (322130130101), we get a palindrome (423161161324).

The spelling of 101031031223 in words is "one hundred one billion, thirty-one million, thirty-one thousand, two hundred twenty-three".