228352146431 has 4 divisors (see below), whose sum is σ = 228480652512. Its totient is φ = 228223640352.

The previous prime is 228352146413. The next prime is 228352146563. The reversal of 228352146431 is 134641253822.

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 228352146431 - 2⁶ = 228352146367 is a prime.

It is a super-2 number, since 2×228352146431² (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 (228352146031) 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, 64250375 + ... + 64253928.

It is an arithmetic number, because the mean of its divisors is an integer number (57120163128).

Almost surely, 2^228352146431 is an apocalyptic number.

228352146431 is a deficient number, since it is larger than the sum of its proper divisors (128506081).

228352146431 is a wasteful number, since it uses less digits than its factorization.

228352146431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128506080.

The product of its digits is 276480, while the sum is 41.

The spelling of 228352146431 in words is "two hundred twenty-eight billion, three hundred fifty-two million, one hundred forty-six thousand, four hundred thirty-one".