2231530403 has 8 divisors (see below), whose sum is σ = 2329440768. Its totient is φ = 2133694024.

The previous prime is 2231530393. The next prime is 2231530409. The reversal of 2231530403 is 3040351322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2231530403 - 2⁴ = 2231530387 is a prime.

It is a super-3 number, since 3×2231530403³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2231530409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48326 + ... + 82452.

It is an arithmetic number, because the mean of its divisors is an integer number (291180096).

Almost surely, 2^2231530403 is an apocalyptic number.

2231530403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2231530403 is a deficient number, since it is larger than the sum of its proper divisors (97910365).

2231530403 is a wasteful number, since it uses less digits than its factorization.

2231530403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36993.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2231530403 is about 47239.0770760818. The cubic root of 2231530403 is about 1306.7753571328.

Adding to 2231530403 its reverse (3040351322), we get a palindrome (5271881725).

The spelling of 2231530403 in words is "two billion, two hundred thirty-one million, five hundred thirty thousand, four hundred three".