30234311243020 has 24 divisors (see below), whose sum is σ = 64386307889568. Its totient is φ = 11923390348800.

The previous prime is 30234311242981. The next prime is 30234311243021. The reversal of 30234311243020 is 2034211343203.

It is a happy number.

It is a super-2 number, since 2×30234311243020² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30234311243020.

It is not an unprimeable number, because it can be changed into a prime (30234311243021) 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, 10645882821 + ... + 10645885660.

It is an arithmetic number, because the mean of its divisors is an integer number (2682762828732).

Almost surely, 2^{30234311243020} is an apocalyptic number.

It is an amenable number.

30234311243020 is an abundant number, since it is smaller than the sum of its proper divisors (34151996646548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30234311243020 is a wasteful number, since it uses less digits than its factorization.

30234311243020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21291768561 (or 21291768559 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 30234311243020 its reverse (2034211343203), we get a palindrome (32268522586223).

The spelling of 30234311243020 in words is "thirty trillion, two hundred thirty-four billion, three hundred eleven million, two hundred forty-three thousand, twenty".