31430234041 has 2 divisors, whose sum is σ = 31430234042. Its totient is φ = 31430234040.

The previous prime is 31430234021. The next prime is 31430234051. The reversal of 31430234041 is 14043203413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31421107600 + 9126441 = 177260^2 + 3021^2 .

It is a cyclic number.

It is not a de Polignac number, because 31430234041 - 2⁹ = 31430233529 is a prime.

It is a super-2 number, since 2×31430234041² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31430233997 and 31430234015.

It is not a weakly prime, because it can be changed into another prime (31430234021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15715117020 + 15715117021.

It is an arithmetic number, because the mean of its divisors is an integer number (15715117021).

Almost surely, 2^31430234041 is an apocalyptic number.

It is an amenable number.

31430234041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31430234041 is an equidigital number, since it uses as much as digits as its factorization.

31430234041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31430234041 its reverse (14043203413), we get a palindrome (45473437454).

The spelling of 31430234041 in words is "thirty-one billion, four hundred thirty million, two hundred thirty-four thousand, forty-one".