31540232341 has 8 divisors (see below), whose sum is σ = 31646048768. Its totient is φ = 31434480000.

The previous prime is 31540232309. The next prime is 31540232359. The reversal of 31540232341 is 14323204513.

It is a happy number.

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 31540232341 - 2⁵ = 31540232309 is a prime.

It is a super-2 number, since 2×31540232341² (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 (31540232371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1098316 + ... + 1126666.

It is an arithmetic number, because the mean of its divisors is an integer number (3955756096).

Almost surely, 2^31540232341 is an apocalyptic number.

It is an amenable number.

31540232341 is a deficient number, since it is larger than the sum of its proper divisors (105816427).

31540232341 is a wasteful number, since it uses less digits than its factorization.

31540232341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32043.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 31540232341 its reverse (14323204513), we get a palindrome (45863436854).

It can be divided in two parts, 315402 and 32341, that added together give a palindrome (347743).

The spelling of 31540232341 in words is "thirty-one billion, five hundred forty million, two hundred thirty-two thousand, three hundred forty-one".