31432205541001 has 4 divisors (see below), whose sum is σ = 31545679207492. Its totient is φ = 31318731874512.

The previous prime is 31432205540993. The next prime is 31432205541007. The reversal of 31432205541001 is 10014550223413.

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 12204647055225 + 19227558485776 = 3493515^2 + 4384924^2 .

It is a cyclic number.

It is not a de Polignac number, because 31432205541001 - 2³ = 31432205540993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31432205541007) 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, 56736832830 + ... + 56736833383.

It is an arithmetic number, because the mean of its divisors is an integer number (7886419801873).

Almost surely, 2^{31432205541001} is an apocalyptic number.

It is an amenable number.

31432205541001 is a deficient number, since it is larger than the sum of its proper divisors (113473666491).

31432205541001 is a wasteful number, since it uses less digits than its factorization.

31432205541001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113473666490.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 31432205541001 its reverse (10014550223413), we get a palindrome (41446755764414).

The spelling of 31432205541001 in words is "thirty-one trillion, four hundred thirty-two billion, two hundred five million, five hundred forty-one thousand, one".