30213022031252 has 24 divisors (see below), whose sum is σ = 54162633759360. Its totient is φ = 14737987419840.

The previous prime is 30213022031251. The next prime is 30213022031299. The reversal of 30213022031252 is 25213022031203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213022031251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51081749 + ... + 51669827.

It is an arithmetic number, because the mean of its divisors is an integer number (2256776406640).

Almost surely, 2^{30213022031252} is an apocalyptic number.

It is an amenable number.

30213022031252 is a deficient number, since it is larger than the sum of its proper divisors (23949611728108).

30213022031252 is a wasteful number, since it uses less digits than its factorization.

30213022031252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901391 (or 901389 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 30213022031252 its reverse (25213022031203), we get a palindrome (55426044062455).

The spelling of 30213022031252 in words is "thirty trillion, two hundred thirteen billion, twenty-two million, thirty-one thousand, two hundred fifty-two".