303145743030 has 64 divisors (see below), whose sum is σ = 804691274688. Its totient is φ = 72603717120.

The previous prime is 303145743013. The next prime is 303145743049. The reversal of 303145743030 is 30347541303.

It is a junction number, because it is equal to n+sod(n) for n = 303145742982 and 303145743000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10489581 + ... + 10518440.

It is an arithmetic number, because the mean of its divisors is an integer number (12573301167).

Almost surely, 2^303145743030 is an apocalyptic number.

303145743030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

303145743030 is an abundant number, since it is smaller than the sum of its proper divisors (501545531658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

303145743030 is a wasteful number, since it uses less digits than its factorization.

303145743030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21008081.

The product of its (nonzero) digits is 45360, while the sum is 33.

The spelling of 303145743030 in words is "three hundred three billion, one hundred forty-five million, seven hundred forty-three thousand, thirty".