31004390429 has 8 divisors (see below), whose sum is σ = 31262249280. Its totient is φ = 30747578400.

The previous prime is 31004390411. The next prime is 31004390467. The reversal of 31004390429 is 92409340013.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31004390429 is a prime.

It is a super-2 number, since 2×31004390429² (a number of 22 digits) 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 (31004392429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202169 + ... + 320750.

It is an arithmetic number, because the mean of its divisors is an integer number (3907781160).

Almost surely, 2^31004390429 is an apocalyptic number.

It is an amenable number.

31004390429 is a deficient number, since it is larger than the sum of its proper divisors (257858851).

31004390429 is a wasteful number, since it uses less digits than its factorization.

31004390429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523411.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 31004390429 in words is "thirty-one billion, four million, three hundred ninety thousand, four hundred twenty-nine".