345481555031 has 4 divisors (see below), whose sum is σ = 353907934464. Its totient is φ = 337055175600.

The previous prime is 345481555019. The next prime is 345481555033. The reversal of 345481555031 is 130555184543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345481555031 - 2¹⁰ = 345481554007 is a prime.

It is a super-2 number, since 2×345481555031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345481555033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213189655 + ... + 4213189736.

It is an arithmetic number, because the mean of its divisors is an integer number (88476983616).

Almost surely, 2^345481555031 is an apocalyptic number.

345481555031 is a deficient number, since it is larger than the sum of its proper divisors (8426379433).

345481555031 is an equidigital number, since it uses as much as digits as its factorization.

345481555031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426379432.

The product of its (nonzero) digits is 720000, while the sum is 44.

The spelling of 345481555031 in words is "three hundred forty-five billion, four hundred eighty-one million, five hundred fifty-five thousand, thirty-one".