30031221023130 has 64 divisors (see below), whose sum is σ = 74038061674368. Its totient is φ = 7791649259520.

The previous prime is 30031221023119. The next prime is 30031221023189. The reversal of 30031221023130 is 3132012213003.

It is a super-2 number, since 2×30031221023130² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30031221023097 and 30031221023106.

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, 44960331 + ... + 45623390.

It is an arithmetic number, because the mean of its divisors is an integer number (1156844713662).

Almost surely, 2^{30031221023130} is an apocalyptic number.

30031221023130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30031221023130 is an abundant number, since it is smaller than the sum of its proper divisors (44006840651238).

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

30031221023130 is a wasteful number, since it uses less digits than its factorization.

30031221023130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90584031.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30031221023130 its reverse (3132012213003), we get a palindrome (33163233236133).

The spelling of 30031221023130 in words is "thirty trillion, thirty-one billion, two hundred twenty-one million, twenty-three thousand, one hundred thirty".