30020101031 has 2 divisors, whose sum is σ = 30020101032. Its totient is φ = 30020101030.

The previous prime is 30020100967. The next prime is 30020101057. The reversal of 30020101031 is 13010102003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30020101031 - 2⁶ = 30020100967 is a prime.

It is a super-2 number, since 2×30020101031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020101081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010050515 + 15010050516.

It is an arithmetic number, because the mean of its divisors is an integer number (15010050516).

Almost surely, 2^30020101031 is an apocalyptic number.

30020101031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020101031 is an equidigital number, since it uses as much as digits as its factorization.

30020101031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30020101031 its reverse (13010102003), we get a palindrome (43030203034).

The spelling of 30020101031 in words is "thirty billion, twenty million, one hundred one thousand, thirty-one".