30137314221 has 48 divisors (see below), whose sum is σ = 51965066880. Its totient is φ = 17212124160.

The previous prime is 30137314201. The next prime is 30137314271. The reversal of 30137314221 is 12241373103.

It is a happy number.

It is not a de Polignac number, because 30137314221 - 2⁷ = 30137314093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30137314201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3052525 + ... + 3062381.

It is an arithmetic number, because the mean of its divisors is an integer number (1082605560).

Almost surely, 2^30137314221 is an apocalyptic number.

It is an amenable number.

30137314221 is a deficient number, since it is larger than the sum of its proper divisors (21827752659).

30137314221 is a wasteful number, since it uses less digits than its factorization.

30137314221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12191 (or 12178 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

Adding to 30137314221 its reverse (12241373103), we get a palindrome (42378687324).

The spelling of 30137314221 in words is "thirty billion, one hundred thirty-seven million, three hundred fourteen thousand, two hundred twenty-one".