31134532241 has 4 divisors (see below), whose sum is σ = 32965975332. Its totient is φ = 29303089152.

The previous prime is 31134532217. The next prime is 31134532307. The reversal of 31134532241 is 14223543113.

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 20552089600 + 10582442641 = 143360^2 + 102871^2 .

It is a cyclic number.

It is not a de Polignac number, because 31134532241 - 2²² = 31130337937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31134532841) 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, 915721520 + ... + 915721553.

It is an arithmetic number, because the mean of its divisors is an integer number (8241493833).

Almost surely, 2^31134532241 is an apocalyptic number.

It is an amenable number.

31134532241 is a deficient number, since it is larger than the sum of its proper divisors (1831443091).

31134532241 is a wasteful number, since it uses less digits than its factorization.

31134532241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831443090.

The product of its digits is 8640, while the sum is 29.

It can be divided in two parts, 3113 and 4532241, that added together give a palindrome (4535354).

The spelling of 31134532241 in words is "thirty-one billion, one hundred thirty-four million, five hundred thirty-two thousand, two hundred forty-one".