20100131101 has 32 divisors (see below), whose sum is σ = 22292928000. Its totient is φ = 18037555200.

The previous prime is 20100131071. The next prime is 20100131131. The reversal of 20100131101 is 10113100102.

It is an interprime number because it is at equal distance from previous prime (20100131071) and next prime (20100131131).

It is a cyclic number.

It is not a de Polignac number, because 20100131101 - 2¹³ = 20100122909 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 (20100131131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14366800 + ... + 14368198.

It is an arithmetic number, because the mean of its divisors is an integer number (696654000).

Almost surely, 2^20100131101 is an apocalyptic number.

It is an amenable number.

20100131101 is a deficient number, since it is larger than the sum of its proper divisors (2192796899).

20100131101 is a wasteful number, since it uses less digits than its factorization.

20100131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 20100131101 its reverse (10113100102), we get a palindrome (30213231203).

The spelling of 20100131101 in words is "twenty billion, one hundred million, one hundred thirty-one thousand, one hundred one".