401031501052513 has 32 divisors (see below), whose sum is σ = 424287333072000. Its totient is φ = 379045945317312.

The previous prime is 401031501052477. The next prime is 401031501052607. The reversal of 401031501052513 is 315250105130104.

It is a de Polignac number, because none of the positive numbers 2^k-401031501052513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401031501052913) 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, 10854218706 + ... + 10854255652.

It is an arithmetic number, because the mean of its divisors is an integer number (13258979158500).

Almost surely, 2^{401031501052513} is an apocalyptic number.

It is an amenable number.

401031501052513 is a deficient number, since it is larger than the sum of its proper divisors (23255832019487).

401031501052513 is an equidigital number, since it uses as much as digits as its factorization.

401031501052513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40622 (or 40584 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 401031501052513 its reverse (315250105130104), we get a palindrome (716281606182617).

The spelling of 401031501052513 in words is "four hundred one trillion, thirty-one billion, five hundred one million, fifty-two thousand, five hundred thirteen".