345215420231 has 8 divisors (see below), whose sum is σ = 392972494464. Its totient is φ = 300187321720.

The previous prime is 345215420197. The next prime is 345215420233. The reversal of 345215420231 is 132024512543.

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

It is not a de Polignac number, because 345215420231 - 2²² = 345211225927 is a prime.

It is a super-2 number, since 2×345215420231² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345215420233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682243661 + ... + 682244166.

It is an arithmetic number, because the mean of its divisors is an integer number (49121561808).

Almost surely, 2^345215420231 is an apocalyptic number.

345215420231 is a deficient number, since it is larger than the sum of its proper divisors (47757074233).

345215420231 is a wasteful number, since it uses less digits than its factorization.

345215420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364487861.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 345215420231 its reverse (132024512543), we get a palindrome (477239932774).

The spelling of 345215420231 in words is "three hundred forty-five billion, two hundred fifteen million, four hundred twenty thousand, two hundred thirty-one".