351231315407 has 4 divisors (see below), whose sum is σ = 401407217616. Its totient is φ = 301055413200.

The previous prime is 351231315371. The next prime is 351231315521. The reversal of 351231315407 is 704513132153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704513132153 = 1777 ⋅396462089.

It is a cyclic number.

It is not a de Polignac number, because 351231315407 - 2¹² = 351231311311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351231315007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25087951094 + ... + 25087951107.

It is an arithmetic number, because the mean of its divisors is an integer number (100351804404).

Almost surely, 2^351231315407 is an apocalyptic number.

351231315407 is a deficient number, since it is larger than the sum of its proper divisors (50175902209).

351231315407 is an equidigital number, since it uses as much as digits as its factorization.

351231315407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50175902208.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 351231315407 in words is "three hundred fifty-one billion, two hundred thirty-one million, three hundred fifteen thousand, four hundred seven".