3129343340 has 24 divisors (see below), whose sum is σ = 6958187712. Its totient is φ = 1178105600.

The previous prime is 3129343333. The next prime is 3129343351. The reversal of 3129343340 is 433439213.

It is a junction number, because it is equal to n+sod(n) for n = 3129343297 and 3129343306.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4601636 + ... + 4602315.

It is an arithmetic number, because the mean of its divisors is an integer number (289924488).

Almost surely, 2^3129343340 is an apocalyptic number.

It is an amenable number.

3129343340 is an abundant number, since it is smaller than the sum of its proper divisors (3828844372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3129343340 is a wasteful number, since it uses less digits than its factorization.

3129343340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203977 (or 9203975 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 32.

The square root of 3129343340 is about 55940.5339624141. The cubic root of 3129343340 is about 1462.6858890511.

The spelling of 3129343340 in words is "three billion, one hundred twenty-nine million, three hundred forty-three thousand, three hundred forty".