201202232131 has 8 divisors (see below), whose sum is σ = 202222651904. Its totient is φ = 200183856840.

The previous prime is 201202232083. The next prime is 201202232137. The reversal of 201202232131 is 131232202102.

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 201202232131 - 2¹³ = 201202223939 is a prime.

It is a super-2 number, since 2×201202232131² (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 = 201202232099 and 201202232108.

It is not an unprimeable number, because it can be changed into a prime (201202232137) 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, 313605 + ... + 707638.

It is an arithmetic number, because the mean of its divisors is an integer number (25277831488).

Almost surely, 2^201202232131 is an apocalyptic number.

201202232131 is a deficient number, since it is larger than the sum of its proper divisors (1020419773).

201202232131 is a wasteful number, since it uses less digits than its factorization.

201202232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022241.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 201202232131 its reverse (131232202102), we get a palindrome (332434434233).

The spelling of 201202232131 in words is "two hundred one billion, two hundred two million, two hundred thirty-two thousand, one hundred thirty-one".