201234444131 has 8 divisors (see below), whose sum is σ = 243510588000. Its totient is φ = 162340391808.

The previous prime is 201234444109. The next prime is 201234444137. The reversal of 201234444131 is 131444432102.

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

It is not a de Polignac number, because 201234444131 - 2¹⁴ = 201234427747 is a prime.

It is a super-2 number, since 2×201234444131² (a number of 23 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 = 201234444094 and 201234444103.

It is not an unprimeable number, because it can be changed into a prime (201234444137) 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, 845522756 + ... + 845522993.

It is an arithmetic number, because the mean of its divisors is an integer number (30438823500).

Almost surely, 2^201234444131 is an apocalyptic number.

201234444131 is a deficient number, since it is larger than the sum of its proper divisors (42276143869).

201234444131 is a wasteful number, since it uses less digits than its factorization.

201234444131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691045773.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 201234444131 its reverse (131444432102), we get a palindrome (332678876233).

The spelling of 201234444131 in words is "two hundred one billion, two hundred thirty-four million, four hundred forty-four thousand, one hundred thirty-one".