31422002203 has 4 divisors (see below), whose sum is σ = 31422699360. Its totient is φ = 31421305048.

The previous prime is 31422002201. The next prime is 31422002219. The reversal of 31422002203 is 30220022413.

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 31422002203 - 2¹ = 31422002201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31422002201) 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, 275923 + ... + 372796.

It is an arithmetic number, because the mean of its divisors is an integer number (7855674840).

Almost surely, 2^31422002203 is an apocalyptic number.

31422002203 is a deficient number, since it is larger than the sum of its proper divisors (697157).

31422002203 is an equidigital number, since it uses as much as digits as its factorization.

31422002203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697156.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 31422002203 its reverse (30220022413), we get a palindrome (61642024616).

The spelling of 31422002203 in words is "thirty-one billion, four hundred twenty-two million, two thousand, two hundred three".