30203212231231 has 32 divisors (see below), whose sum is σ = 33736485605760. Its totient is φ = 26847905462784.

The previous prime is 30203212231099. The next prime is 30203212231303. The reversal of 30203212231231 is 13213221230203.

It is a cyclic number.

It is not a de Polignac number, because 30203212231231 - 2²⁵ = 30203178676799 is a prime.

It is a super-2 number, since 2×30203212231231² (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 = 30203212231196 and 30203212231205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30203212271231) 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, 302790841 + ... + 302890573.

It is an arithmetic number, because the mean of its divisors is an integer number (1054265175180).

Almost surely, 2^{30203212231231} is an apocalyptic number.

30203212231231 is a deficient number, since it is larger than the sum of its proper divisors (3533273374529).

30203212231231 is a wasteful number, since it uses less digits than its factorization.

30203212231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101875.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 30203212231231 its reverse (13213221230203), we get a palindrome (43416433461434).

The spelling of 30203212231231 in words is "thirty trillion, two hundred three billion, two hundred twelve million, two hundred thirty-one thousand, two hundred thirty-one".