30131221111233 has 32 divisors (see below), whose sum is σ = 46410216181632. Its totient is φ = 17185329638400.

The previous prime is 30131221111169. The next prime is 30131221111259. The reversal of 30131221111233 is 33211112213103.

It is not a de Polignac number, because 30131221111233 - 2⁶ = 30131221111169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30131221111133) 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, 2469135 + ... + 8146107.

It is an arithmetic number, because the mean of its divisors is an integer number (1450319255676).

Almost surely, 2^{30131221111233} is an apocalyptic number.

30131221111233 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30131221111233 is a deficient number, since it is larger than the sum of its proper divisors (16278995070399).

30131221111233 is a wasteful number, since it uses less digits than its factorization.

30131221111233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686465.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 30131221111233 its reverse (33211112213103), we get a palindrome (63342333324336).

The spelling of 30131221111233 in words is "thirty trillion, one hundred thirty-one billion, two hundred twenty-one million, one hundred eleven thousand, two hundred thirty-three".