30213212403 has 16 divisors (see below), whose sum is σ = 43949606400. Its totient is φ = 18309739680.

The previous prime is 30213212399. The next prime is 30213212431. The reversal of 30213212403 is 30421231203.

It is not a de Polignac number, because 30213212403 - 2² = 30213212399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30213212403.

It is not an unprimeable number, because it can be changed into a prime (30213212443) 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, 661633 + ... + 705821.

It is an arithmetic number, because the mean of its divisors is an integer number (2746850400).

Almost surely, 2^30213212403 is an apocalyptic number.

30213212403 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30213212403 is a deficient number, since it is larger than the sum of its proper divisors (13736393997).

30213212403 is a wasteful number, since it uses less digits than its factorization.

30213212403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64922.

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

Adding to 30213212403 its reverse (30421231203), we get a palindrome (60634443606).

The spelling of 30213212403 in words is "thirty billion, two hundred thirteen million, two hundred twelve thousand, four hundred three".