113220531003 has 16 divisors (see below), whose sum is σ = 152057518880. Its totient is φ = 74932805376.

The previous prime is 113220530999. The next prime is 113220531013. The reversal of 113220531003 is 300135022311.

It is not a de Polignac number, because 113220531003 - 2² = 113220530999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113220531013) 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, 425301 + ... + 638217.

It is an arithmetic number, because the mean of its divisors is an integer number (9503594930).

Almost surely, 2^113220531003 is an apocalyptic number.

113220531003 is a deficient number, since it is larger than the sum of its proper divisors (38836987877).

113220531003 is a wasteful number, since it uses less digits than its factorization.

113220531003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214206.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 113220531003 its reverse (300135022311), we get a palindrome (413355553314).

The spelling of 113220531003 in words is "one hundred thirteen billion, two hundred twenty million, five hundred thirty-one thousand, three".