31042220003 has 16 divisors (see below), whose sum is σ = 32124470400. Its totient is φ = 29973154176.

The previous prime is 31042219993. The next prime is 31042220029. The reversal of 31042220003 is 30002224013.

It is not a de Polignac number, because 31042220003 - 2⁴ = 31042219987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31042220063) 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, 8725301 + ... + 8728857.

It is an arithmetic number, because the mean of its divisors is an integer number (2007779400).

Almost surely, 2^31042220003 is an apocalyptic number.

31042220003 is a deficient number, since it is larger than the sum of its proper divisors (1082250397).

31042220003 is a wasteful number, since it uses less digits than its factorization.

31042220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 31042220003 its reverse (30002224013), we get a palindrome (61044444016).

The spelling of 31042220003 in words is "thirty-one billion, forty-two million, two hundred twenty thousand, three".