31132440241 has 8 divisors (see below), whose sum is σ = 35583131520. Its totient is φ = 26682548928.

The previous prime is 31132440239. The next prime is 31132440259. The reversal of 31132440241 is 14204423113.

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

It is not a de Polignac number, because 31132440241 - 2¹ = 31132440239 is a prime.

It is a super-2 number, since 2×31132440241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31132740241) 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, 114136 + ... + 274393.

It is an arithmetic number, because the mean of its divisors is an integer number (4447891440).

Almost surely, 2^31132440241 is an apocalyptic number.

It is an amenable number.

31132440241 is a deficient number, since it is larger than the sum of its proper divisors (4450691279).

31132440241 is a wasteful number, since it uses less digits than its factorization.

31132440241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399983.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 31132440241 its reverse (14204423113), we get a palindrome (45336863354).

The spelling of 31132440241 in words is "thirty-one billion, one hundred thirty-two million, four hundred forty thousand, two hundred forty-one".