201034035531 has 72 divisors (see below), whose sum is σ = 343102977360. Its totient is φ = 113073117696.

The previous prime is 201034035529. The next prime is 201034035563. The reversal of 201034035531 is 135530430102.

201034035531 is a `hidden beast` number, since 2 + 0 + 103 + 4 + 0 + 3 + 553 + 1 = 666.

It is not a de Polignac number, because 201034035531 - 2¹ = 201034035529 is a prime.

It is a super-2 number, since 2×201034035531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201034035495 and 201034035504.

It is not an unprimeable number, because it can be changed into a prime (201034035131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61722055 + ... + 61725311.

It is an arithmetic number, because the mean of its divisors is an integer number (4765319130).

Almost surely, 2^201034035531 is an apocalyptic number.

201034035531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

201034035531 is a deficient number, since it is larger than the sum of its proper divisors (142068941829).

201034035531 is a wasteful number, since it uses less digits than its factorization.

201034035531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5433 (or 5423 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 201034035531 its reverse (135530430102), we get a palindrome (336564465633).

The spelling of 201034035531 in words is "two hundred one billion, thirty-four million, thirty-five thousand, five hundred thirty-one".