31041131311 has 8 divisors (see below), whose sum is σ = 31389031520. Its totient is φ = 30693800448.

The previous prime is 31041131309. The next prime is 31041131333. The reversal of 31041131311 is 11313114013.

It is a happy number.

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 31041131311 - 2¹ = 31041131309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31041141311) 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, 32211 + ... + 251236.

It is an arithmetic number, because the mean of its divisors is an integer number (3923628940).

Almost surely, 2^31041131311 is an apocalyptic number.

31041131311 is a deficient number, since it is larger than the sum of its proper divisors (347900209).

31041131311 is a wasteful number, since it uses less digits than its factorization.

31041131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284673.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 31041131311 its reverse (11313114013), we get a palindrome (42354245324).

The spelling of 31041131311 in words is "thirty-one billion, forty-one million, one hundred thirty-one thousand, three hundred eleven".