2100201131031 has 16 divisors (see below), whose sum is σ = 2825309908704. Its totient is φ = 1387646567424.

The previous prime is 2100201131023. The next prime is 2100201131087. The reversal of 2100201131031 is 1301311020012.

It is a happy number.

It is not a de Polignac number, because 2100201131031 - 2³ = 2100201131023 is a prime.

It is a super-2 number, since 2×2100201131031² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2100201131031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100201131131) 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, 3916066 + ... + 4419951.

It is an arithmetic number, because the mean of its divisors is an integer number (176581869294).

Almost surely, 2^{2100201131031} is an apocalyptic number.

2100201131031 is a deficient number, since it is larger than the sum of its proper divisors (725108777673).

2100201131031 is a wasteful number, since it uses less digits than its factorization.

2100201131031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8336770.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2100201131031 its reverse (1301311020012), we get a palindrome (3401512151043).

The spelling of 2100201131031 in words is "two trillion, one hundred billion, two hundred one million, one hundred thirty-one thousand, thirty-one".