3132121329 has 12 divisors (see below), whose sum is σ = 4762290000. Its totient is φ = 1978181784.

The previous prime is 3132121309. The next prime is 3132121379. The reversal of 3132121329 is 9231212313.

3132121329 is a `hidden beast` number, since 313 + 2 + 1 + 21 + 329 = 666.

It is not a de Polignac number, because 3132121329 - 2¹¹ = 3132119281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3132121309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9158079 + ... + 9158420.

It is an arithmetic number, because the mean of its divisors is an integer number (396857500).

Almost surely, 2^3132121329 is an apocalyptic number.

It is an amenable number.

3132121329 is a deficient number, since it is larger than the sum of its proper divisors (1630168671).

3132121329 is a wasteful number, since it uses less digits than its factorization.

3132121329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18316524 (or 18316521 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 3132121329 is about 55965.3582942163. The cubic root of 3132121329 is about 1463.1185808433.

It can be divided in two parts, 31321 and 21329, that added together give a triangular number (52650 = T₃₂₄).

The spelling of 3132121329 in words is "three billion, one hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty-nine".