403381399311 has 24 divisors (see below), whose sum is σ = 636992463744. Its totient is φ = 243950049360.

The previous prime is 403381399249. The next prime is 403381399439. The reversal of 403381399311 is 113993183304.

It is not a de Polignac number, because 403381399311 - 2⁶ = 403381399247 is a prime.

It is a super-3 number, since 3×403381399311³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403381399111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4316251 + ... + 4408716.

It is an arithmetic number, because the mean of its divisors is an integer number (26541352656).

Almost surely, 2^403381399311 is an apocalyptic number.

403381399311 is a deficient number, since it is larger than the sum of its proper divisors (233611064433).

403381399311 is a wasteful number, since it uses less digits than its factorization.

403381399311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8725451 (or 8725448 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 403381399311 in words is "four hundred three billion, three hundred eighty-one million, three hundred ninety-nine thousand, three hundred eleven".