31020200041 has 4 divisors (see below), whose sum is σ = 31026183300. Its totient is φ = 31014216784.

The previous prime is 31020200023. The next prime is 31020200047. The reversal of 31020200041 is 14000202013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28061275225 + 2958924816 = 167515^2 + 54396^2 .

It is a cyclic number.

It is not a de Polignac number, because 31020200041 - 2¹⁷ = 31020068969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31020199994 and 31020200030.

It is not an unprimeable number, because it can be changed into a prime (31020200047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2983846 + ... + 2994223.

It is an arithmetic number, because the mean of its divisors is an integer number (7756545825).

Almost surely, 2^31020200041 is an apocalyptic number.

It is an amenable number.

31020200041 is a deficient number, since it is larger than the sum of its proper divisors (5983259).

31020200041 is an equidigital number, since it uses as much as digits as its factorization.

31020200041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5983258.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 31020200041 its reverse (14000202013), we get a palindrome (45020402054).

The spelling of 31020200041 in words is "thirty-one billion, twenty million, two hundred thousand, forty-one".