31542424201 has 8 divisors (see below), whose sum is σ = 31833716904. Its totient is φ = 31252016640.

The previous prime is 31542424183. The next prime is 31542424213. The reversal of 31542424201 is 10242424513.

It can be written as a sum of positive squares in 4 ways, for example, as 1648360000 + 29894064201 = 40600^2 + 172899^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 31542424201 - 2²³ = 31534035593 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31542424201.

It is not an unprimeable number, because it can be changed into a prime (31542424231) 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, 149580 + ... + 292333.

It is an arithmetic number, because the mean of its divisors is an integer number (3979214613).

Almost surely, 2^31542424201 is an apocalyptic number.

It is an amenable number.

31542424201 is a deficient number, since it is larger than the sum of its proper divisors (291292703).

31542424201 is a wasteful number, since it uses less digits than its factorization.

31542424201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442571.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 31542424201 its reverse (10242424513), we get a palindrome (41784848714).

The spelling of 31542424201 in words is "thirty-one billion, five hundred forty-two million, four hundred twenty-four thousand, two hundred one".