30020103131 has 2 divisors, whose sum is σ = 30020103132. Its totient is φ = 30020103130.

The previous prime is 30020103121. The next prime is 30020103161. The reversal of 30020103131 is 13130102003.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020103131 is a prime.

It is a super-2 number, since 2×30020103131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30020103121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010051565 + 15010051566.

It is an arithmetic number, because the mean of its divisors is an integer number (15010051566).

Almost surely, 2^30020103131 is an apocalyptic number.

30020103131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020103131 is an equidigital number, since it uses as much as digits as its factorization.

30020103131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30020103131 its reverse (13130102003), we get a palindrome (43150205134).

The spelling of 30020103131 in words is "thirty billion, twenty million, one hundred three thousand, one hundred thirty-one".