31432211344111 has 4 divisors (see below), whose sum is σ = 31432265835400. Its totient is φ = 31432156852824.

The previous prime is 31432211344087. The next prime is 31432211344117. The reversal of 31432211344111 is 11144311223413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31432211344111 - 2³¹ = 31430063860463 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 (31432211344117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26371041 + ... + 27537178.

It is an arithmetic number, because the mean of its divisors is an integer number (7858066458850).

Almost surely, 2^{31432211344111} is an apocalyptic number.

31432211344111 is a deficient number, since it is larger than the sum of its proper divisors (54491289).

31432211344111 is an equidigital number, since it uses as much as digits as its factorization.

31432211344111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54491288.

The product of its digits is 6912, while the sum is 31.

Adding to 31432211344111 its reverse (11144311223413), we get a palindrome (42576522567524).

The spelling of 31432211344111 in words is "thirty-one trillion, four hundred thirty-two billion, two hundred eleven million, three hundred forty-four thousand, one hundred eleven".