31243231041 has 12 divisors (see below), whose sum is σ = 45788978256. Its totient is φ = 18935291320.

The previous prime is 31243231031. The next prime is 31243231043. The reversal of 31243231041 is 14013234213.

It is a happy number.

It is not a de Polignac number, because 31243231041 - 2⁵ = 31243231009 is a prime.

It is a super-2 number, since 2×31243231041² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31243231043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43034391 + ... + 43035116.

It is an arithmetic number, because the mean of its divisors is an integer number (3815748188).

Almost surely, 2^31243231041 is an apocalyptic number.

It is an amenable number.

31243231041 is a deficient number, since it is larger than the sum of its proper divisors (14545747215).

31243231041 is a wasteful number, since it uses less digits than its factorization.

31243231041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86069532 (or 86069521 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31243231041 its reverse (14013234213), we get a palindrome (45256465254).

The spelling of 31243231041 in words is "thirty-one billion, two hundred forty-three million, two hundred thirty-one thousand, forty-one".