30213012312291 has 16 divisors (see below), whose sum is σ = 40885526864000. Its totient is φ = 19841256756288.

The previous prime is 30213012312277. The next prime is 30213012312323. The reversal of 30213012312291 is 19221321031203.

It is not a de Polignac number, because 30213012312291 - 2⁷ = 30213012312163 is a prime.

It is a super-2 number, since 2×30213012312291² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30213012312211) 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, 40475160 + ... + 41214858.

It is an arithmetic number, because the mean of its divisors is an integer number (2555345429000).

Almost surely, 2^{30213012312291} is an apocalyptic number.

30213012312291 is a deficient number, since it is larger than the sum of its proper divisors (10672514551709).

30213012312291 is a wasteful number, since it uses less digits than its factorization.

30213012312291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942978.

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 30213012312291 its reverse (19221321031203), we get a palindrome (49434333343494).

The spelling of 30213012312291 in words is "thirty trillion, two hundred thirteen billion, twelve million, three hundred twelve thousand, two hundred ninety-one".