30231120123102 has 64 divisors (see below), whose sum is σ = 63799687872000. Its totient is φ = 9536175411840.

The previous prime is 30231120122993. The next prime is 30231120123103. The reversal of 30231120123102 is 20132102113203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231120123103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4195549 + ... + 8835432.

It is an arithmetic number, because the mean of its divisors is an integer number (996870123000).

Almost surely, 2^{30231120123102} is an apocalyptic number.

30231120123102 is an abundant number, since it is smaller than the sum of its proper divisors (33568567748898).

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

30231120123102 is a wasteful number, since it uses less digits than its factorization.

30231120123102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13031281.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 30231120123102 its reverse (20132102113203), we get a palindrome (50363222236305).

The spelling of 30231120123102 in words is "thirty trillion, two hundred thirty-one billion, one hundred twenty million, one hundred twenty-three thousand, one hundred two".