31350052201 has 16 divisors (see below), whose sum is σ = 34249678848. Its totient is φ = 28520452800.

The previous prime is 31350052199. The next prime is 31350052271. The reversal of 31350052201 is 10225005313.

It is a cyclic number.

It is not a de Polignac number, because 31350052201 - 2¹ = 31350052199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31350052271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3707160 + ... + 3715606.

It is an arithmetic number, because the mean of its divisors is an integer number (2140604928).

Almost surely, 2^31350052201 is an apocalyptic number.

It is an amenable number.

31350052201 is a deficient number, since it is larger than the sum of its proper divisors (2899626647).

31350052201 is a wasteful number, since it uses less digits than its factorization.

31350052201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552.

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 31350052201 its reverse (10225005313), we get a palindrome (41575057514).

The spelling of 31350052201 in words is "thirty-one billion, three hundred fifty million, fifty-two thousand, two hundred one".