31044230320141 has 4 divisors (see below), whose sum is σ = 31418257191552. Its totient is φ = 30670203448732.

The previous prime is 31044230320133. The next prime is 31044230320153. The reversal of 31044230320141 is 14102303244013.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31044230320141 - 2³ = 31044230320133 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 (31044230320241) 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, 187013435581 + ... + 187013435746.

It is an arithmetic number, because the mean of its divisors is an integer number (7854564297888).

Almost surely, 2^{31044230320141} is an apocalyptic number.

It is an amenable number.

31044230320141 is a deficient number, since it is larger than the sum of its proper divisors (374026871411).

31044230320141 is an equidigital number, since it uses as much as digits as its factorization.

31044230320141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374026871410.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 31044230320141 its reverse (14102303244013), we get a palindrome (45146533564154).

The spelling of 31044230320141 in words is "thirty-one trillion, forty-four billion, two hundred thirty million, three hundred twenty thousand, one hundred forty-one".