30331212201231 has 16 divisors (see below), whose sum is σ = 40457391790464. Its totient is φ = 20212920864864.

The previous prime is 30331212201193. The next prime is 30331212201233. The reversal of 30331212201231 is 13210221213303.

It is not a de Polignac number, because 30331212201231 - 2¹⁵ = 30331212168463 is a prime.

It is a super-2 number, since 2×30331212201231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30331212201233) 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, 494309205 + ... + 494370561.

It is an arithmetic number, because the mean of its divisors is an integer number (2528586986904).

Almost surely, 2^{30331212201231} is an apocalyptic number.

30331212201231 is a deficient number, since it is larger than the sum of its proper divisors (10126179589233).

30331212201231 is a wasteful number, since it uses less digits than its factorization.

30331212201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122950.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30331212201231 its reverse (13210221213303), we get a palindrome (43541433414534).

The spelling of 30331212201231 in words is "thirty trillion, three hundred thirty-one billion, two hundred twelve million, two hundred one thousand, two hundred thirty-one".