401515053231 has 32 divisors (see below), whose sum is σ = 584316011520. Its totient is φ = 244266223616.

The previous prime is 401515053223. The next prime is 401515053241. The reversal of 401515053231 is 132350515104.

401515053231 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 401515053231 - 2³ = 401515053223 is a prime.

It is a super-2 number, since 2×401515053231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401515053241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526266 + ... + 1039223.

It is an arithmetic number, because the mean of its divisors is an integer number (18259875360).

Almost surely, 2^401515053231 is an apocalyptic number.

401515053231 is a deficient number, since it is larger than the sum of its proper divisors (182800958289).

401515053231 is a wasteful number, since it uses less digits than its factorization.

401515053231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565663.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 401515053231 its reverse (132350515104), we get a palindrome (533865568335).

The spelling of 401515053231 in words is "four hundred one billion, five hundred fifteen million, fifty-three thousand, two hundred thirty-one".