30203243431302 has 32 divisors (see below), whose sum is σ = 61921068710400. Its totient is φ = 9816910123808.

The previous prime is 30203243431279. The next prime is 30203243431313. The reversal of 30203243431302 is 20313434230203.

It is a self number, because there is not a number n which added to its sum of digits gives 30203243431302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199001652 + ... + 199153367.

It is an arithmetic number, because the mean of its divisors is an integer number (1935033397200).

Almost surely, 2^{30203243431302} is an apocalyptic number.

30203243431302 is an abundant number, since it is smaller than the sum of its proper divisors (31717825279098).

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

30203243431302 is a wasteful number, since it uses less digits than its factorization.

30203243431302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398155340.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 30203243431302 its reverse (20313434230203), we get a palindrome (50516677661505).

The spelling of 30203243431302 in words is "thirty trillion, two hundred three billion, two hundred forty-three million, four hundred thirty-one thousand, three hundred two".