31320042411 has 32 divisors (see below), whose sum is σ = 48717760000. Its totient is φ = 17890558560.

The previous prime is 31320042401. The next prime is 31320042473. The reversal of 31320042411 is 11424002313.

It is not a de Polignac number, because 31320042411 - 2⁷ = 31320042283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (31320042401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4677576 + ... + 4684266.

It is an arithmetic number, because the mean of its divisors is an integer number (1522430000).

Almost surely, 2^31320042411 is an apocalyptic number.

31320042411 is a deficient number, since it is larger than the sum of its proper divisors (17397717589).

31320042411 is an equidigital number, since it uses as much as digits as its factorization.

31320042411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264 (or 11250 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31320042411 its reverse (11424002313), we get a palindrome (42744044724).

The spelling of 31320042411 in words is "thirty-one billion, three hundred twenty million, forty-two thousand, four hundred eleven".