401101103391 has 64 divisors (see below), whose sum is σ = 587947092480. Its totient is φ = 242338037760.

The previous prime is 401101103317. The next prime is 401101103393. The reversal of 401101103391 is 193301101104.

It is not a de Polignac number, because 401101103391 - 2¹¹ = 401101101343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401101103393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83265415 + ... + 83270231.

It is an arithmetic number, because the mean of its divisors is an integer number (9186673320).

Almost surely, 2^401101103391 is an apocalyptic number.

401101103391 is a deficient number, since it is larger than the sum of its proper divisors (186845989089).

401101103391 is a wasteful number, since it uses less digits than its factorization.

401101103391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5576.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 401101103391 its reverse (193301101104), we get a palindrome (594402204495).

The spelling of 401101103391 in words is "four hundred one billion, one hundred one million, one hundred three thousand, three hundred ninety-one".