31323440141011 has 24 divisors (see below), whose sum is σ = 32102437044384. Its totient is φ = 30562897491840.

The previous prime is 31323440140999. The next prime is 31323440141069. The reversal of 31323440141011 is 11014104432313.

It is not a de Polignac number, because 31323440141011 - 2¹³ = 31323440132819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31323440141111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1058889241 + ... + 1058918821.

It is an arithmetic number, because the mean of its divisors is an integer number (1337601543516).

Almost surely, 2^{31323440141011} is an apocalyptic number.

31323440141011 is a deficient number, since it is larger than the sum of its proper divisors (778996903373).

31323440141011 is an equidigital number, since it uses as much as digits as its factorization.

31323440141011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31131 (or 31084 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 31323440141011 its reverse (11014104432313), we get a palindrome (42337544573324).

The spelling of 31323440141011 in words is "thirty-one trillion, three hundred twenty-three billion, four hundred forty million, one hundred forty-one thousand, eleven".