3031400329 has 2 divisors, whose sum is σ = 3031400330. Its totient is φ = 3031400328.

The previous prime is 3031400321. The next prime is 3031400387. The reversal of 3031400329 is 9230041303.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2546211600 + 485188729 = 50460^2 + 22027^2 .

It is a cyclic number.

It is not a de Polignac number, because 3031400329 - 2³ = 3031400321 is a prime.

It is a super-2 number, since 2×3031400329² = 18378775909322616482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3031400321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515700164 + 1515700165.

It is an arithmetic number, because the mean of its divisors is an integer number (1515700165).

Almost surely, 2^3031400329 is an apocalyptic number.

It is an amenable number.

3031400329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3031400329 is an equidigital number, since it uses as much as digits as its factorization.

3031400329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3031400329 is about 55058.1540645888. The cubic root of 3031400329 is about 1447.2640169809.

The spelling of 3031400329 in words is "three billion, thirty-one million, four hundred thousand, three hundred twenty-nine".