343403402031 has 24 divisors (see below), whose sum is σ = 521067362400. Its totient is φ = 217512182976.

The previous prime is 343403402029. The next prime is 343403402033. The reversal of 343403402031 is 130204304343.

It is an interprime number because it is at equal distance from previous prime (343403402029) and next prime (343403402033).

It is not a de Polignac number, because 343403402031 - 2¹ = 343403402029 is a prime.

It is a super-2 number, since 2×343403402031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343403401986 and 343403402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343403402033) 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, 5536116 + ... + 5597801.

It is an arithmetic number, because the mean of its divisors is an integer number (21711140100).

Almost surely, 2^343403402031 is an apocalyptic number.

343403402031 is a deficient number, since it is larger than the sum of its proper divisors (177663960369).

343403402031 is a wasteful number, since it uses less digits than its factorization.

343403402031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11134095 (or 11134092 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 343403402031 its reverse (130204304343), we get a palindrome (473607706374).

The spelling of 343403402031 in words is "three hundred forty-three billion, four hundred three million, four hundred two thousand, thirty-one".