30231315455042 has 64 divisors (see below), whose sum is σ = 53136676252800. Its totient is φ = 12769699838976.

The previous prime is 30231315454973. The next prime is 30231315455051. The reversal of 30231315455042 is 24055451313203.

It is a super-2 number, since 2×30231315455042² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30231315454987 and 30231315455005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27241433 + ... + 28329459.

It is an arithmetic number, because the mean of its divisors is an integer number (830260566450).

Almost surely, 2^{30231315455042} is an apocalyptic number.

30231315455042 is a deficient number, since it is larger than the sum of its proper divisors (22905360797758).

30231315455042 is a wasteful number, since it uses less digits than its factorization.

30231315455042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089795.

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 30231315455042 its reverse (24055451313203), we get a palindrome (54286766768245).

The spelling of 30231315455042 in words is "thirty trillion, two hundred thirty-one billion, three hundred fifteen million, four hundred fifty-five thousand, forty-two".