31031404041 has 8 divisors (see below), whose sum is σ = 45136587744. Its totient is φ = 18806911520.

The previous prime is 31031404031. The next prime is 31031404049. The reversal of 31031404041 is 14040413013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31031404041 - 2⁷ = 31031403913 is a prime.

It is a super-2 number, since 2×31031404041² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31031403999 and 31031404017.

It is not an unprimeable number, because it can be changed into a prime (31031404049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470172756 + ... + 470172821.

It is an arithmetic number, because the mean of its divisors is an integer number (5642073468).

Almost surely, 2^31031404041 is an apocalyptic number.

It is an amenable number.

31031404041 is a deficient number, since it is larger than the sum of its proper divisors (14105183703).

31031404041 is a wasteful number, since it uses less digits than its factorization.

31031404041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940345591.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31031404041 its reverse (14040413013), we get a palindrome (45071817054).

The spelling of 31031404041 in words is "thirty-one billion, thirty-one million, four hundred four thousand, forty-one".