30213103123131 has 4 divisors (see below), whose sum is σ = 40284137497512. Its totient is φ = 20142068748752.

The previous prime is 30213103123103. The next prime is 30213103123193. The reversal of 30213103123131 is 13132130131203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30213103123131 - 2²¹ = 30213101025979 is a prime.

It is a super-2 number, since 2×30213103123131² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30213103122131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5035517187186 + ... + 5035517187191.

It is an arithmetic number, because the mean of its divisors is an integer number (10071034374378).

Almost surely, 2^{30213103123131} is an apocalyptic number.

30213103123131 is a deficient number, since it is larger than the sum of its proper divisors (10071034374381).

30213103123131 is a wasteful number, since it uses less digits than its factorization.

30213103123131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071034374380.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 30213103123131 its reverse (13132130131203), we get a palindrome (43345233254334).

The spelling of 30213103123131 in words is "thirty trillion, two hundred thirteen billion, one hundred three million, one hundred twenty-three thousand, one hundred thirty-one".