305042231132 has 24 divisors (see below), whose sum is σ = 557683133952. Its totient is φ = 145822748400.

The previous prime is 305042231099. The next prime is 305042231171. The reversal of 305042231132 is 231132240503.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14809094 + ... + 14829677.

It is an arithmetic number, because the mean of its divisors is an integer number (23236797248).

Almost surely, 2^305042231132 is an apocalyptic number.

It is an amenable number.

305042231132 is a deficient number, since it is larger than the sum of its proper divisors (252640902820).

305042231132 is a wasteful number, since it uses less digits than its factorization.

305042231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29638889 (or 29638887 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 305042231132 its reverse (231132240503), we get a palindrome (536174471635).

The spelling of 305042231132 in words is "three hundred five billion, forty-two million, two hundred thirty-one thousand, one hundred thirty-two".