30420121310 has 16 divisors (see below), whose sum is σ = 57136923936. Its totient is φ = 11639002848.

The previous prime is 30420121279. The next prime is 30420121313. The reversal of 30420121310 is 1312102403.

It is a super-2 number, since 2×30420121310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420121313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66130469 + ... + 66130928.

It is an arithmetic number, because the mean of its divisors is an integer number (3571057746).

Almost surely, 2^30420121310 is an apocalyptic number.

30420121310 is a deficient number, since it is larger than the sum of its proper divisors (26716802626).

30420121310 is a wasteful number, since it uses less digits than its factorization.

30420121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132261427.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30420121310 its reverse (1312102403), we get a palindrome (31732223713).

The spelling of 30420121310 in words is "thirty billion, four hundred twenty million, one hundred twenty-one thousand, three hundred ten".