345600431 has 16 divisors (see below), whose sum is σ = 394137600. Its totient is φ = 300175200.

The previous prime is 345600421. The next prime is 345600473. The reversal of 345600431 is 134006543.

It is a cyclic number.

It is not a de Polignac number, because 345600431 - 2¹⁴ = 345584047 is a prime.

It is a super-2 number, since 2×345600431² = 238879315814771522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345600431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345600421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20525 + ... + 33353.

It is an arithmetic number, because the mean of its divisors is an integer number (24633600).

Almost surely, 2^345600431 is an apocalyptic number.

345600431 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

345600431 is a deficient number, since it is larger than the sum of its proper divisors (48537169).

345600431 is a wasteful number, since it uses less digits than its factorization.

345600431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12950.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 345600431 is about 18590.3316538463. The cubic root of 345600431 is about 701.7645488959.

Adding to 345600431 its reverse (134006543), we get a palindrome (479606974).

The spelling of 345600431 in words is "three hundred forty-five million, six hundred thousand, four hundred thirty-one".