31023110220103 has 8 divisors (see below), whose sum is σ = 31181250925440. Its totient is φ = 30865157892600.

The previous prime is 31023110220077. The next prime is 31023110220131. The reversal of 31023110220103 is 30102201132013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31023110220103 - 2¹³ = 31023110211911 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 (31023110220133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46764243 + ... + 47422996.

It is an arithmetic number, because the mean of its divisors is an integer number (3897656365680).

Almost surely, 2^{31023110220103} is an apocalyptic number.

31023110220103 is a deficient number, since it is larger than the sum of its proper divisors (158140705337).

31023110220103 is a wasteful number, since it uses less digits than its factorization.

31023110220103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94188917.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31023110220103 its reverse (30102201132013), we get a palindrome (61125311352116).

The spelling of 31023110220103 in words is "thirty-one trillion, twenty-three billion, one hundred ten million, two hundred twenty thousand, one hundred three".