305340431332 has 12 divisors (see below), whose sum is σ = 543402462960. Its totient is φ = 150082584776.

The previous prime is 305340431311. The next prime is 305340431353. The reversal of 305340431332 is 233134043503.

It is an interprime number because it is at equal distance from previous prime (305340431311) and next prime (305340431353).

It is a junction number, because it is equal to n+sod(n) for n = 305340431294 and 305340431303.

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, 646907458 + ... + 646907929.

It is an arithmetic number, because the mean of its divisors is an integer number (45283538580).

Almost surely, 2^305340431332 is an apocalyptic number.

It is an amenable number.

305340431332 is a deficient number, since it is larger than the sum of its proper divisors (238062031628).

305340431332 is a wasteful number, since it uses less digits than its factorization.

305340431332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293815450 (or 1293815448 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 31.

Adding to 305340431332 its reverse (233134043503), we get a palindrome (538474474835).

The spelling of 305340431332 in words is "three hundred five billion, three hundred forty million, four hundred thirty-one thousand, three hundred thirty-two".