30213033231031 has 24 divisors (see below), whose sum is σ = 35671508687616. Its totient is φ = 25509527089200.

The previous prime is 30213033231023. The next prime is 30213033231037. The reversal of 30213033231031 is 13013233031203.

It is not a de Polignac number, because 30213033231031 - 2³ = 30213033231023 is a prime.

It is a super-2 number, since 2×30213033231031² (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 = 30213033230987 and 30213033231005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213033231037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112640380 + ... + 112908286.

It is an arithmetic number, because the mean of its divisors is an integer number (1486312861984).

Almost surely, 2^{30213033231031} is an apocalyptic number.

30213033231031 is a deficient number, since it is larger than the sum of its proper divisors (5458475456585).

30213033231031 is a wasteful number, since it uses less digits than its factorization.

30213033231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302339 (or 302332 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 30213033231031 its reverse (13013233031203), we get a palindrome (43226266262234).

The spelling of 30213033231031 in words is "thirty trillion, two hundred thirteen billion, thirty-three million, two hundred thirty-one thousand, thirty-one".