31401130042011 has 8 divisors (see below), whose sum is σ = 41868414078544. Its totient is φ = 20933966350080.

The previous prime is 31401130041997. The next prime is 31401130042109. The reversal of 31401130042011 is 11024003110413.

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

It is a de Polignac number, because none of the positive numbers 2^k-31401130042011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31401130082011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29475550 + ... + 30522291.

It is an arithmetic number, because the mean of its divisors is an integer number (5233551759818).

Almost surely, 2^{31401130042011} is an apocalyptic number.

31401130042011 is a deficient number, since it is larger than the sum of its proper divisors (10467284036533).

31401130042011 is a wasteful number, since it uses less digits than its factorization.

31401130042011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60172301.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 31401130042011 its reverse (11024003110413), we get a palindrome (42425133152424).

The spelling of 31401130042011 in words is "thirty-one trillion, four hundred one billion, one hundred thirty million, forty-two thousand, eleven".