30221023212131 has 8 divisors (see below), whose sum is σ = 30733945843200. Its totient is φ = 29708123977800.

The previous prime is 30221023212091. The next prime is 30221023212179. The reversal of 30221023212131 is 13121232012203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30221023212131 - 2⁶ = 30221023212067 is a prime.

It is a super-2 number, since 2×30221023212131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30221023212097 and 30221023212106.

It is not an unprimeable number, because it can be changed into a prime (30221023214131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234071 + ... + 8420288.

It is an arithmetic number, because the mean of its divisors is an integer number (3841743230400).

Almost surely, 2^{30221023212131} is an apocalyptic number.

30221023212131 is a deficient number, since it is larger than the sum of its proper divisors (512922631069).

30221023212131 is a wasteful number, since it uses less digits than its factorization.

30221023212131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11698369.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30221023212131 its reverse (13121232012203), we get a palindrome (43342255224334).

The spelling of 30221023212131 in words is "thirty trillion, two hundred twenty-one billion, twenty-three million, two hundred twelve thousand, one hundred thirty-one".