303431212020 has 48 divisors (see below), whose sum is σ = 862288112448. Its totient is φ = 79707302400.

The previous prime is 303431212013. The next prime is 303431212027. The reversal of 303431212020 is 20212134303.

It is an interprime number because it is at equal distance from previous prime (303431212013) and next prime (303431212027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303431212027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37736181 + ... + 37744220.

It is an arithmetic number, because the mean of its divisors is an integer number (17964335676).

Almost surely, 2^303431212020 is an apocalyptic number.

303431212020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

303431212020 is an abundant number, since it is smaller than the sum of its proper divisors (558856900428).

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

303431212020 is a wasteful number, since it uses less digits than its factorization.

303431212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75480480 (or 75480478 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 303431212020 its reverse (20212134303), we get a palindrome (323643346323).

The spelling of 303431212020 in words is "three hundred three billion, four hundred thirty-one million, two hundred twelve thousand, twenty".