135303204331 has 8 divisors (see below), whose sum is σ = 137807916480. Its totient is φ = 132818292672.

The previous prime is 135303204319. The next prime is 135303204343. The reversal of 135303204331 is 133402303531.

It is an interprime number because it is at equal distance from previous prime (135303204319) and next prime (135303204343).

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 135303204331 - 2²⁵ = 135269649899 is a prime.

It is a super-2 number, since 2×135303204331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135303204331.

It is not an unprimeable number, because it can be changed into a prime (135303204131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4936330 + ... + 4963663.

It is an arithmetic number, because the mean of its divisors is an integer number (17225989560).

Almost surely, 2^135303204331 is an apocalyptic number.

135303204331 is a deficient number, since it is larger than the sum of its proper divisors (2504712149).

135303204331 is an equidigital number, since it uses as much as digits as its factorization.

135303204331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9900245.

The product of its (nonzero) digits is 9720, while the sum is 28.

Adding to 135303204331 its reverse (133402303531), we get a palindrome (268705507862).

The spelling of 135303204331 in words is "one hundred thirty-five billion, three hundred three million, two hundred four thousand, three hundred thirty-one".