30000220311131 has 4 divisors (see below), whose sum is σ = 34285966069872. Its totient is φ = 25714474552392.

The previous prime is 30000220311121. The next prime is 30000220311143. The reversal of 30000220311131 is 13111302200003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30000220311131 is a prime.

It is a super-2 number, since 2×30000220311131² (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 (30000220311121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2142872879360 + ... + 2142872879373.

It is an arithmetic number, because the mean of its divisors is an integer number (8571491517468).

Almost surely, 2^{30000220311131} is an apocalyptic number.

30000220311131 is a deficient number, since it is larger than the sum of its proper divisors (4285745758741).

30000220311131 is an equidigital number, since it uses as much as digits as its factorization.

30000220311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285745758740.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30000220311131 its reverse (13111302200003), we get a palindrome (43111522511134).

The spelling of 30000220311131 in words is "thirty trillion, two hundred twenty million, three hundred eleven thousand, one hundred thirty-one".