31000200101 has 16 divisors (see below), whose sum is σ = 36669843840. Its totient is φ = 25930808640.

The previous prime is 31000200097. The next prime is 31000200109. The reversal of 31000200101 is 10100200013.

It is a cyclic number.

It is not a de Polignac number, because 31000200101 - 2² = 31000200097 is a prime.

It is a super-2 number, since 2×31000200101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31000200109) 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, 2722730 + ... + 2734091.

It is an arithmetic number, because the mean of its divisors is an integer number (2291865240).

Almost surely, 2^31000200101 is an apocalyptic number.

It is an amenable number.

31000200101 is a deficient number, since it is larger than the sum of its proper divisors (5669643739).

31000200101 is a wasteful number, since it uses less digits than its factorization.

31000200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456876.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 31000200101 its reverse (10100200013), we get a palindrome (41100400114).

The spelling of 31000200101 in words is "thirty-one billion, two hundred thousand, one hundred one".