201131310622 has 32 divisors (see below), whose sum is σ = 348867316224. Its totient is φ = 85950883200.

The previous prime is 201131310587. The next prime is 201131310659. The reversal of 201131310622 is 226013131102.

It is a happy number.

It is a super-2 number, since 2×201131310622² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 201131310593 and 201131310602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45553 + ... + 635875.

It is an arithmetic number, because the mean of its divisors is an integer number (10902103632).

Almost surely, 2^201131310622 is an apocalyptic number.

201131310622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

201131310622 is a deficient number, since it is larger than the sum of its proper divisors (147736005602).

201131310622 is a wasteful number, since it uses less digits than its factorization.

201131310622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591264.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201131310622 its reverse (226013131102), we get a palindrome (427144441724).

The spelling of 201131310622 in words is "two hundred one billion, one hundred thirty-one million, three hundred ten thousand, six hundred twenty-two".