31000043341 has 4 divisors (see below), whose sum is σ = 31002522300. Its totient is φ = 30997564384.

The previous prime is 31000043339. The next prime is 31000043357. The reversal of 31000043341 is 14334000013.

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 15974432100 + 15025611241 = 126390^2 + 122579^2 .

It is a cyclic number.

It is not a de Polignac number, because 31000043341 - 2¹ = 31000043339 is a prime.

It is a super-2 number, since 2×31000043341² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000043381) 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, 1220626 + ... + 1245763.

It is an arithmetic number, because the mean of its divisors is an integer number (7750630575).

Almost surely, 2^31000043341 is an apocalyptic number.

It is an amenable number.

31000043341 is a deficient number, since it is larger than the sum of its proper divisors (2478959).

31000043341 is a wasteful number, since it uses less digits than its factorization.

31000043341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2478958.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31000043341 its reverse (14334000013), we get a palindrome (45334043354).

The spelling of 31000043341 in words is "thirty-one billion, forty-three thousand, three hundred forty-one".