201113144431 has 8 divisors (see below), whose sum is σ = 205412106240. Its totient is φ = 196815014328.

The previous prime is 201113144399. The next prime is 201113144483. The reversal of 201113144431 is 134441311102.

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 201113144431 - 2⁵ = 201113144399 is a prime.

It is a super-2 number, since 2×201113144431² (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 = 201113144396 and 201113144405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201113144131) 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, 293650 + ... + 698896.

It is an arithmetic number, because the mean of its divisors is an integer number (25676513280).

Almost surely, 2^201113144431 is an apocalyptic number.

201113144431 is a deficient number, since it is larger than the sum of its proper divisors (4298961809).

201113144431 is a wasteful number, since it uses less digits than its factorization.

201113144431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415853.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 201113144431 its reverse (134441311102), we get a palindrome (335554455533).

The spelling of 201113144431 in words is "two hundred one billion, one hundred thirteen million, one hundred forty-four thousand, four hundred thirty-one".