2031213101 has 16 divisors (see below), whose sum is σ = 2099913984. Its totient is φ = 1964001024.

The previous prime is 2031213097. The next prime is 2031213131. The reversal of 2031213101 is 1013121302.

It is a cyclic number.

It is not a de Polignac number, because 2031213101 - 2² = 2031213097 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 (2031213131) 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, 828860 + ... + 831306.

It is an arithmetic number, because the mean of its divisors is an integer number (131244624).

Almost surely, 2^2031213101 is an apocalyptic number.

It is an amenable number.

2031213101 is a deficient number, since it is larger than the sum of its proper divisors (68700883).

2031213101 is a wasteful number, since it uses less digits than its factorization.

2031213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2031213101 is about 45068.9815837900. The cubic root of 2031213101 is about 1266.4415860993.

Adding to 2031213101 its reverse (1013121302), we get a palindrome (3044334403).

The spelling of 2031213101 in words is "two billion, thirty-one million, two hundred thirteen thousand, one hundred one".