401500131 has 8 divisors (see below), whose sum is σ = 536168640. Its totient is φ = 267249192.

The previous prime is 401500117. The next prime is 401500139. The reversal of 401500131 is 131005104.

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

It is not a de Polignac number, because 401500131 - 2²¹ = 399402979 is a prime.

It is a super-2 number, since 2×401500131² = 322404710386034322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401500131.

It is not an unprimeable number, because it can be changed into a prime (401500139) 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, 102141 + ... + 105998.

It is an arithmetic number, because the mean of its divisors is an integer number (67021080).

Almost surely, 2^401500131 is an apocalyptic number.

401500131 is a deficient number, since it is larger than the sum of its proper divisors (134668509).

401500131 is a wasteful number, since it uses less digits than its factorization.

401500131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208785.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 401500131 is about 20037.4681783902. The cubic root of 401500131 is about 737.7262389696.

Adding to 401500131 its reverse (131005104), we get a palindrome (532505235).

The spelling of 401500131 in words is "four hundred one million, five hundred thousand, one hundred thirty-one".