31204213019 has 8 divisors (see below), whose sum is σ = 37538903040. Its totient is φ = 25338759336.

The previous prime is 31204212983. The next prime is 31204213043. The reversal of 31204213019 is 91031240213.

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 31204213019 - 2²⁸ = 30935777563 is a prime.

It is a super-2 number, since 2×31204213019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31204213049) 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, 117308939 + ... + 117309204.

It is an arithmetic number, because the mean of its divisors is an integer number (4692362880).

Almost surely, 2^31204213019 is an apocalyptic number.

31204213019 is a deficient number, since it is larger than the sum of its proper divisors (6334690021).

31204213019 is a wasteful number, since it uses less digits than its factorization.

31204213019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234618169.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 31204213019 in words is "thirty-one billion, two hundred four million, two hundred thirteen thousand, nineteen".