201130401631 has 8 divisors (see below), whose sum is σ = 204151415600. Its totient is φ = 198109948608.

The previous prime is 201130401599. The next prime is 201130401707. The reversal of 201130401631 is 136104031102.

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 201130401631 - 2⁵ = 201130401599 is a prime.

It is a super-2 number, since 2×201130401631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201130401331) 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, 612355 + ... + 881611.

It is an arithmetic number, because the mean of its divisors is an integer number (25518926950).

Almost surely, 2^201130401631 is an apocalyptic number.

201130401631 is a deficient number, since it is larger than the sum of its proper divisors (3021013969).

201130401631 is a wasteful number, since it uses less digits than its factorization.

201130401631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280473.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 201130401631 its reverse (136104031102), we get a palindrome (337234432733).

The spelling of 201130401631 in words is "two hundred one billion, one hundred thirty million, four hundred one thousand, six hundred thirty-one".