351231315406 has 8 divisors (see below), whose sum is σ = 531770776920. Its totient is φ = 173974389768.

The previous prime is 351231315371. The next prime is 351231315521. The reversal of 351231315406 is 604513132153.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820633701 + ... + 820634128.

It is an arithmetic number, because the mean of its divisors is an integer number (66471347115).

Almost surely, 2^351231315406 is an apocalyptic number.

351231315406 is a deficient number, since it is larger than the sum of its proper divisors (180539461514).

351231315406 is a wasteful number, since it uses less digits than its factorization.

351231315406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641267938.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 351231315406 its reverse (604513132153), we get a palindrome (955744447559).

The spelling of 351231315406 in words is "three hundred fifty-one billion, two hundred thirty-one million, three hundred fifteen thousand, four hundred six".