403244342331 has 16 divisors (see below), whose sum is σ = 540703877760. Its totient is φ = 267307413120.

The previous prime is 403244342233. The next prime is 403244342351. The reversal of 403244342331 is 133243442304.

It is a happy number.

It is not a de Polignac number, because 403244342331 - 2²¹ = 403242245179 is a prime.

It is a super-2 number, since 2×403244342331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403244342292 and 403244342301.

It is not an unprimeable number, because it can be changed into a prime (403244342351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11049891 + ... + 11086323.

It is an arithmetic number, because the mean of its divisors is an integer number (33793992360).

Almost surely, 2^403244342331 is an apocalyptic number.

403244342331 is a deficient number, since it is larger than the sum of its proper divisors (137459535429).

403244342331 is a wasteful number, since it uses less digits than its factorization.

403244342331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57226.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 403244342331 its reverse (133243442304), we get a palindrome (536487784635).

The spelling of 403244342331 in words is "four hundred three billion, two hundred forty-four million, three hundred forty-two thousand, three hundred thirty-one".