30342520253 has 16 divisors (see below), whose sum is σ = 31892054016. Its totient is φ = 28812587760.

The previous prime is 30342520223. The next prime is 30342520277. The reversal of 30342520253 is 35202524303.

It is a cyclic number.

It is not a de Polignac number, because 30342520253 - 2⁶ = 30342520189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342520213) 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, 3711176 + ... + 3719342.

It is an arithmetic number, because the mean of its divisors is an integer number (1993253376).

Almost surely, 2^30342520253 is an apocalyptic number.

It is an amenable number.

30342520253 is a deficient number, since it is larger than the sum of its proper divisors (1549533763).

30342520253 is a wasteful number, since it uses less digits than its factorization.

30342520253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344.

The product of its (nonzero) digits is 21600, while the sum is 29.

The spelling of 30342520253 in words is "thirty billion, three hundred forty-two million, five hundred twenty thousand, two hundred fifty-three".