30031130002120 has 64 divisors (see below), whose sum is σ = 75931552811520. Its totient is φ = 10606312130304.

The previous prime is 30031130002057. The next prime is 30031130002121. The reversal of 30031130002120 is 2120003113003.

It is a junction number, because it is equal to n+sod(n) for n = 30031130002094 and 30031130002103.

It is not an unprimeable number, because it can be changed into a prime (30031130002121) 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, 1255470064 + ... + 1255493983.

It is an arithmetic number, because the mean of its divisors is an integer number (1186430512680).

Almost surely, 2^{30031130002120} is an apocalyptic number.

It is an amenable number.

30031130002120 is an abundant number, since it is smaller than the sum of its proper divisors (45900422809400).

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

30031130002120 is a wasteful number, since it uses less digits than its factorization.

30031130002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510964094 (or 2510964090 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30031130002120 its reverse (2120003113003), we get a palindrome (32151133115123).

The spelling of 30031130002120 in words is "thirty trillion, thirty-one billion, one hundred thirty million, two thousand, one hundred twenty".