31033222103 has 16 divisors (see below), whose sum is σ = 34614283200. Its totient is φ = 27657973728.

The previous prime is 31033222097. The next prime is 31033222117. The reversal of 31033222103 is 30122233013.

It is not a de Polignac number, because 31033222103 - 2⁶ = 31033222039 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 (31033222123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268118 + ... + 365996.

It is an arithmetic number, because the mean of its divisors is an integer number (2163392700).

Almost surely, 2^31033222103 is an apocalyptic number.

31033222103 is a deficient number, since it is larger than the sum of its proper divisors (3581061097).

31033222103 is an frugal number, since it uses more digits than its factorization.

31033222103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97979 (or 97921 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31033222103 its reverse (30122233013), we get a palindrome (61155455116).

The spelling of 31033222103 in words is "thirty-one billion, thirty-three million, two hundred twenty-two thousand, one hundred three".