3138429431 has 8 divisors (see below), whose sum is σ = 3166250640. Its totient is φ = 3110683392.

The previous prime is 3138429407. The next prime is 3138429473. The reversal of 3138429431 is 1349248313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3138429431 - 2³⁰ = 2064687607 is a prime.

It is a super-2 number, since 2×3138429431² = 19699478586733967522, which 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 (3138429031) 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 7 ways as a sum of consecutive naturals, for example, 66791 + ... + 103623.

It is an arithmetic number, because the mean of its divisors is an integer number (395781330).

Almost surely, 2^3138429431 is an apocalyptic number.

3138429431 is a deficient number, since it is larger than the sum of its proper divisors (27821209).

3138429431 is a wasteful number, since it uses less digits than its factorization.

3138429431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37585.

The product of its digits is 62208, while the sum is 38.

The square root of 3138429431 is about 56021.6871488176. The cubic root of 3138429431 is about 1464.1001639430.

The spelling of 3138429431 in words is "three billion, one hundred thirty-eight million, four hundred twenty-nine thousand, four hundred thirty-one".