30121001430 has 32 divisors (see below), whose sum is σ = 77851204704. Its totient is φ = 7414400256.

The previous prime is 30121001423. The next prime is 30121001483. The reversal of 30121001430 is 3410012103.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 38616279 + ... + 38617058.

It is an arithmetic number, because the mean of its divisors is an integer number (2432850147).

Almost surely, 2^30121001430 is an apocalyptic number.

30121001430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30121001430 is an abundant number, since it is smaller than the sum of its proper divisors (47730203274).

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

30121001430 is a wasteful number, since it uses less digits than its factorization.

30121001430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77233360.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30121001430 its reverse (3410012103), we get a palindrome (33531013533).

The spelling of 30121001430 in words is "thirty billion, one hundred twenty-one million, one thousand, four hundred thirty".