30115322051 has 16 divisors (see below), whose sum is σ = 31781405184. Its totient is φ = 28501753824.

The previous prime is 30115321981. The next prime is 30115322077. The reversal of 30115322051 is 15022351103.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30115322051 - 2¹⁴ = 30115305667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30115322551) 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, 230336 + ... + 336578.

It is an arithmetic number, because the mean of its divisors is an integer number (1986337824).

Almost surely, 2^30115322051 is an apocalyptic number.

30115322051 is a deficient number, since it is larger than the sum of its proper divisors (1666083133).

30115322051 is a wasteful number, since it uses less digits than its factorization.

30115322051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106490.

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 30115322051 its reverse (15022351103), we get a palindrome (45137673154).

The spelling of 30115322051 in words is "thirty billion, one hundred fifteen million, three hundred twenty-two thousand, fifty-one".