31162012441 has 8 divisors (see below), whose sum is σ = 35615510784. Its totient is φ = 26708959680.

The previous prime is 31162012397. The next prime is 31162012451. The reversal of 31162012441 is 14421026113.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31162012441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31162012451) 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, 55056 + ... + 255646.

It is an arithmetic number, because the mean of its divisors is an integer number (4451938848).

Almost surely, 2^31162012441 is an apocalyptic number.

It is an amenable number.

31162012441 is a deficient number, since it is larger than the sum of its proper divisors (4453498343).

31162012441 is a wasteful number, since it uses less digits than its factorization.

31162012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222791.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 31162012441 its reverse (14421026113), we get a palindrome (45583038554).

The spelling of 31162012441 in words is "thirty-one billion, one hundred sixty-two million, twelve thousand, four hundred forty-one".