201211333031131 has 8 divisors (see below), whose sum is σ = 201618041587200. Its totient is φ = 200804651007912.

The previous prime is 201211333031123. The next prime is 201211333031147. The reversal of 201211333031131 is 131130333112102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201211333031131 - 2³ = 201211333031123 is a prime.

It is a super-2 number, since 2×201211333031131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201211333031096 and 201211333031105.

It is not an unprimeable number, because it can be changed into a prime (201211333001131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8584320 + ... + 21820018.

It is an arithmetic number, because the mean of its divisors is an integer number (25202255198400).

Almost surely, 2^{201211333031131} is an apocalyptic number.

201211333031131 is a deficient number, since it is larger than the sum of its proper divisors (406708556069).

201211333031131 is a wasteful number, since it uses less digits than its factorization.

201211333031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13266425.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 201211333031131 its reverse (131130333112102), we get a palindrome (332341666143233).

The spelling of 201211333031131 in words is "two hundred one trillion, two hundred eleven billion, three hundred thirty-three million, thirty-one thousand, one hundred thirty-one".