345344031404 has 24 divisors (see below), whose sum is σ = 635440839600. Its totient is φ = 163984726080.

The previous prime is 345344031397. The next prime is 345344031421. The reversal of 345344031404 is 404130443543.

It is a happy number.

It is a super-2 number, since 2×345344031404² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24395414 + ... + 24409565.

It is an arithmetic number, because the mean of its divisors is an integer number (26476701650).

Almost surely, 2^345344031404 is an apocalyptic number.

It is an amenable number.

345344031404 is a deficient number, since it is larger than the sum of its proper divisors (290096808196).

345344031404 is a wasteful number, since it uses less digits than its factorization.

345344031404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48805073 (or 48805071 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 345344031404 its reverse (404130443543), we get a palindrome (749474474947).

The spelling of 345344031404 in words is "three hundred forty-five billion, three hundred forty-four million, thirty-one thousand, four hundred four".