201131301102 has 64 divisors (see below), whose sum is σ = 430343746560. Its totient is φ = 62446611456.

The previous prime is 201131301101. The next prime is 201131301143. The reversal of 201131301102 is 201103131102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201131301101) 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, 11330778 + ... + 11348514.

It is an arithmetic number, because the mean of its divisors is an integer number (6724121040).

Almost surely, 2^201131301102 is an apocalyptic number.

201131301102 is an abundant number, since it is smaller than the sum of its proper divisors (229212445458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201131301102 is a wasteful number, since it uses less digits than its factorization.

201131301102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905.

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

Adding to 201131301102 its reverse (201103131102), we get a palindrome (402234432204).

The spelling of 201131301102 in words is "two hundred one billion, one hundred thirty-one million, three hundred one thousand, one hundred two".