30220140135 has 32 divisors (see below), whose sum is σ = 50218030080. Its totient is φ = 15507099008.

The previous prime is 30220140131. The next prime is 30220140163. The reversal of 30220140135 is 53104102203.

It is a cyclic number.

It is not a de Polignac number, because 30220140135 - 2² = 30220140131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30220140131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321672 + ... + 404861.

It is an arithmetic number, because the mean of its divisors is an integer number (1569313440).

Almost surely, 2^30220140135 is an apocalyptic number.

30220140135 is a deficient number, since it is larger than the sum of its proper divisors (19997889945).

30220140135 is a wasteful number, since it uses less digits than its factorization.

30220140135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726647.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 30220140135 its reverse (53104102203), we get a palindrome (83324242338).

The spelling of 30220140135 in words is "thirty billion, two hundred twenty million, one hundred forty thousand, one hundred thirty-five".