345630306371 has 4 divisors (see below), whose sum is σ = 395006064432. Its totient is φ = 296254548312.

The previous prime is 345630306361. The next prime is 345630306431. The reversal of 345630306371 is 173603036543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 173603036543 = 31 ⋅5600097953.

It is a cyclic number.

It is not a de Polignac number, because 345630306371 - 2²² = 345626112067 is a prime.

It is a super-2 number, since 2×345630306371² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345630306331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24687879020 + ... + 24687879033.

It is an arithmetic number, because the mean of its divisors is an integer number (98751516108).

Almost surely, 2^345630306371 is an apocalyptic number.

345630306371 is a deficient number, since it is larger than the sum of its proper divisors (49375758061).

345630306371 is an equidigital number, since it uses as much as digits as its factorization.

345630306371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49375758060.

The product of its (nonzero) digits is 408240, while the sum is 41.

The spelling of 345630306371 in words is "three hundred forty-five billion, six hundred thirty million, three hundred six thousand, three hundred seventy-one".