30231120243402 has 64 divisors (see below), whose sum is σ = 76155768528000. Its totient is φ = 8812310350464.

The previous prime is 30231120243371. The next prime is 30231120243403. The reversal of 30231120243402 is 20434202113203.

30231120243402 is a `hidden beast` number, since 3 + 0 + 2 + 3 + 1 + 12 + 0 + 243 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30231120243403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1133257027 + ... + 1133283702.

It is an arithmetic number, because the mean of its divisors is an integer number (1189933883250).

Almost surely, 2^{30231120243402} is an apocalyptic number.

30231120243402 is an abundant number, since it is smaller than the sum of its proper divisors (45924648284598).

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

30231120243402 is a wasteful number, since it uses less digits than its factorization.

30231120243402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266540772 (or 2266540766 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 30231120243402 its reverse (20434202113203), we get a palindrome (50665322356605).

The spelling of 30231120243402 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty million, two hundred forty-three thousand, four hundred two".