31204334011 has 8 divisors (see below), whose sum is σ = 32849686800. Its totient is φ = 29559283200.

The previous prime is 31204333981. The next prime is 31204334017. The reversal of 31204334011 is 11043340213.

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-31204334011 is a prime.

It is a super-2 number, since 2×31204334011² (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 (31204334017) 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, 154635 + ... + 293803.

It is an arithmetic number, because the mean of its divisors is an integer number (4106210850).

Almost surely, 2^31204334011 is an apocalyptic number.

31204334011 is a deficient number, since it is larger than the sum of its proper divisors (1645352789).

31204334011 is a wasteful number, since it uses less digits than its factorization.

31204334011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150989.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31204334011 its reverse (11043340213), we get a palindrome (42247674224).

The spelling of 31204334011 in words is "thirty-one billion, two hundred four million, three hundred thirty-four thousand, eleven".