31012244103 has 4 divisors (see below), whose sum is σ = 41349658808. Its totient is φ = 20674829400.

The previous prime is 31012244089. The next prime is 31012244117. The reversal of 31012244103 is 30144221013.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (31012244089) and next prime (31012244117).

It is not a de Polignac number, because 31012244103 - 2⁵ = 31012244071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31012244103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31012246103) 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, 5168707348 + ... + 5168707353.

It is an arithmetic number, because the mean of its divisors is an integer number (10337414702).

Almost surely, 2^31012244103 is an apocalyptic number.

31012244103 is a deficient number, since it is larger than the sum of its proper divisors (10337414705).

31012244103 is a wasteful number, since it uses less digits than its factorization.

31012244103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337414704.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31012244103 its reverse (30144221013), we get a palindrome (61156465116).

The spelling of 31012244103 in words is "thirty-one billion, twelve million, two hundred forty-four thousand, one hundred three".