31320200101 has 16 divisors (see below), whose sum is σ = 31881047040. Its totient is φ = 30763255680.

The previous prime is 31320200099. The next prime is 31320200137. The reversal of 31320200101 is 10100202313.

It is a cyclic number.

It is not a de Polignac number, because 31320200101 - 2¹ = 31320200099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31320200701) 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, 28394916 + ... + 28396018.

It is an arithmetic number, because the mean of its divisors is an integer number (1992565440).

Almost surely, 2^31320200101 is an apocalyptic number.

It is an amenable number.

31320200101 is a deficient number, since it is larger than the sum of its proper divisors (560846939).

31320200101 is a wasteful number, since it uses less digits than its factorization.

31320200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31320200101 its reverse (10100202313), we get a palindrome (41420402414).

The spelling of 31320200101 in words is "thirty-one billion, three hundred twenty million, two hundred thousand, one hundred one".