30203132103102 has 128 divisors (see below), whose sum is σ = 69683667959808. Its totient is φ = 8548949692800.

The previous prime is 30203132103091. The next prime is 30203132103103. The reversal of 30203132103102 is 20130123130203.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203132103103) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1726772577 + ... + 1726790067.

It is an arithmetic number, because the mean of its divisors is an integer number (544403655936).

Almost surely, 2^{30203132103102} is an apocalyptic number.

30203132103102 is an abundant number, since it is smaller than the sum of its proper divisors (39480535856706).

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

30203132103102 is a wasteful number, since it uses less digits than its factorization.

30203132103102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18614.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30203132103102 its reverse (20130123130203), we get a palindrome (50333255233305).

The spelling of 30203132103102 in words is "thirty trillion, two hundred three billion, one hundred thirty-two million, one hundred three thousand, one hundred two".