403003231231 has 4 divisors (see below), whose sum is σ = 403087423032. Its totient is φ = 402919039432.

The previous prime is 403003231217. The next prime is 403003231243. The reversal of 403003231231 is 132132300304.

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 403003231231 - 2⁵ = 403003231199 is a prime.

It is a super-2 number, since 2×403003231231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403003231261) 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, 42088720 + ... + 42098293.

It is an arithmetic number, because the mean of its divisors is an integer number (100771855758).

Almost surely, 2^403003231231 is an apocalyptic number.

403003231231 is a deficient number, since it is larger than the sum of its proper divisors (84191801).

403003231231 is an equidigital number, since it uses as much as digits as its factorization.

403003231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84191800.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 403003231231 its reverse (132132300304), we get a palindrome (535135531535).

The spelling of 403003231231 in words is "four hundred three billion, three million, two hundred thirty-one thousand, two hundred thirty-one".