30223312542 has 32 divisors (see below), whose sum is σ = 67458816000. Its totient is φ = 10030052664.

The previous prime is 30223312531. The next prime is 30223312547. The reversal of 30223312542 is 24521332203.

30223312542 is a `hidden beast` number, since 302 + 2 + 3 + 312 + 5 + 42 = 666.

It is a super-2 number, since 2×30223312542² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223312547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220542 + ... + 1245057.

It is an arithmetic number, because the mean of its divisors is an integer number (2108088000).

Almost surely, 2^30223312542 is an apocalyptic number.

30223312542 is an abundant number, since it is smaller than the sum of its proper divisors (37235503458).

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

30223312542 is a wasteful number, since it uses less digits than its factorization.

30223312542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465837 (or 2465831 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 30223312542 its reverse (24521332203), we get a palindrome (54744644745).

The spelling of 30223312542 in words is "thirty billion, two hundred twenty-three million, three hundred twelve thousand, five hundred forty-two".