31545201041 has 8 divisors (see below), whose sum is σ = 33515808480. Its totient is φ = 29605627008.

The previous prime is 31545201031. The next prime is 31545201053. The reversal of 31545201041 is 14010254513.

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-31545201041 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31545201041.

It is not an unprimeable number, because it can be changed into a prime (31545201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7756256 + ... + 7760321.

It is an arithmetic number, because the mean of its divisors is an integer number (4189476060).

Almost surely, 2^31545201041 is an apocalyptic number.

It is an amenable number.

31545201041 is a deficient number, since it is larger than the sum of its proper divisors (1970607439).

31545201041 is a wasteful number, since it uses less digits than its factorization.

31545201041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15516703.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 31545201041 its reverse (14010254513), we get a palindrome (45555455554).

The spelling of 31545201041 in words is "thirty-one billion, five hundred forty-five million, two hundred one thousand, forty-one".