223001311530 has 32 divisors (see below), whose sum is σ = 537976234944. Its totient is φ = 59158895616.

The previous prime is 223001311529. The next prime is 223001311537. The reversal of 223001311530 is 35113100322.

It is a super-2 number, since 2×223001311530² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223001311497 and 223001311506.

It is not an unprimeable number, because it can be changed into a prime (223001311537) 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, 19251664 + ... + 19263243.

It is an arithmetic number, because the mean of its divisors is an integer number (16811757342).

Almost surely, 2^223001311530 is an apocalyptic number.

223001311530 is an abundant number, since it is smaller than the sum of its proper divisors (314974923414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223001311530 is a wasteful number, since it uses less digits than its factorization.

223001311530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38515110.

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

Adding to 223001311530 its reverse (35113100322), we get a palindrome (258114411852).

The spelling of 223001311530 in words is "two hundred twenty-three billion, one million, three hundred eleven thousand, five hundred thirty".