31422340203 has 16 divisors (see below), whose sum is σ = 41987808000. Its totient is φ = 20902587680.

The previous prime is 31422340199. The next prime is 31422340219. The reversal of 31422340203 is 30204322413.

It is a cyclic number.

It is not a de Polignac number, because 31422340203 - 2² = 31422340199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31422340223) 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, 5224468 + ... + 5230478.

It is an arithmetic number, because the mean of its divisors is an integer number (2624238000).

Almost surely, 2^31422340203 is an apocalyptic number.

31422340203 is a deficient number, since it is larger than the sum of its proper divisors (10565467797).

31422340203 is a wasteful number, since it uses less digits than its factorization.

31422340203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9522.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 31422340203 its reverse (30204322413), we get a palindrome (61626662616).

The spelling of 31422340203 in words is "thirty-one billion, four hundred twenty-two million, three hundred forty thousand, two hundred three".