30020013233131 has 2 divisors, whose sum is σ = 30020013233132. Its totient is φ = 30020013233130.

The previous prime is 30020013233107. The next prime is 30020013233141. The reversal of 30020013233131 is 13133231002003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30020013233131 - 2¹¹ = 30020013231083 is a prime.

It is a super-2 number, since 2×30020013233131² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30020013233141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010006616565 + 15010006616566.

It is an arithmetic number, because the mean of its divisors is an integer number (15010006616566).

Almost surely, 2^{30020013233131} is an apocalyptic number.

30020013233131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020013233131 is an equidigital number, since it uses as much as digits as its factorization.

30020013233131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30020013233131 its reverse (13133231002003), we get a palindrome (43153244235134).

The spelling of 30020013233131 in words is "thirty trillion, twenty billion, thirteen million, two hundred thirty-three thousand, one hundred thirty-one".