303102120040 has 32 divisors (see below), whose sum is σ = 717873444000. Its totient is φ = 114859750464.

The previous prime is 303102120037. The next prime is 303102120043. The reversal of 303102120040 is 40021201303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (303102120037) and next prime (303102120043).

It is a junction number, because it is equal to n+sod(n) for n = 303102119996 and 303102120023.

It is not an unprimeable number, because it can be changed into a prime (303102120043) 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, 199408530 + ... + 199410049.

It is an arithmetic number, because the mean of its divisors is an integer number (22433545125).

Almost surely, 2^303102120040 is an apocalyptic number.

It is an amenable number.

303102120040 is an abundant number, since it is smaller than the sum of its proper divisors (414771323960).

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

303102120040 is a wasteful number, since it uses less digits than its factorization.

303102120040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398818609 (or 398818605 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 303102120040 its reverse (40021201303), we get a palindrome (343123321343).

The spelling of 303102120040 in words is "three hundred three billion, one hundred two million, one hundred twenty thousand, forty".