30220140031 has 2 divisors, whose sum is σ = 30220140032. Its totient is φ = 30220140030.

The previous prime is 30220140023. The next prime is 30220140043. The reversal of 30220140031 is 13004102203.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30220140031 - 2³ = 30220140023 is a prime.

It is a super-2 number, since 2×30220140031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30220139987 and 30220140014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30220140131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15110070015 + 15110070016.

It is an arithmetic number, because the mean of its divisors is an integer number (15110070016).

Almost surely, 2^30220140031 is an apocalyptic number.

30220140031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30220140031 is an equidigital number, since it uses as much as digits as its factorization.

30220140031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30220140031 its reverse (13004102203), we get a palindrome (43224242234).

The spelling of 30220140031 in words is "thirty billion, two hundred twenty million, one hundred forty thousand, thirty-one".