30212133203131 has 32 divisors (see below), whose sum is σ = 35605878497280. Its totient is φ = 25344460058400.

The previous prime is 30212133203123. The next prime is 30212133203143. The reversal of 30212133203131 is 13130233121203.

It is a cyclic number.

It is not a de Polignac number, because 30212133203131 - 2³ = 30212133203123 is a prime.

It is a super-2 number, since 2×30212133203131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30212133203096 and 30212133203105.

It is not an unprimeable number, because it can be changed into a prime (30212133203171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11033395 + ... + 13496668.

It is an arithmetic number, because the mean of its divisors is an integer number (1112683703040).

Almost surely, 2^{30212133203131} is an apocalyptic number.

30212133203131 is a deficient number, since it is larger than the sum of its proper divisors (5393745294149).

30212133203131 is a wasteful number, since it uses less digits than its factorization.

30212133203131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24530247.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 30212133203131 its reverse (13130233121203), we get a palindrome (43342366324334).

The spelling of 30212133203131 in words is "thirty trillion, two hundred twelve billion, one hundred thirty-three million, two hundred three thousand, one hundred thirty-one".