30142201237 has 4 divisors (see below), whose sum is σ = 31915271916. Its totient is φ = 28369130560.

The previous prime is 30142201223. The next prime is 30142201249. The reversal of 30142201237 is 73210224103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73210224103 = 122891 ⋅595733.

It can be written as a sum of positive squares in 2 ways, for example, as 11620624401 + 18521576836 = 107799^2 + 136094^2 .

It is a cyclic number.

It is not a de Polignac number, because 30142201237 - 2²³ = 30133812629 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 (30142201207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886535314 + ... + 886535347.

It is an arithmetic number, because the mean of its divisors is an integer number (7978817979).

Almost surely, 2^30142201237 is an apocalyptic number.

It is an amenable number.

30142201237 is a deficient number, since it is larger than the sum of its proper divisors (1773070679).

30142201237 is a wasteful number, since it uses less digits than its factorization.

30142201237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773070678.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 30142201237 in words is "thirty billion, one hundred forty-two million, two hundred one thousand, two hundred thirty-seven".