31344432141 has 8 divisors (see below), whose sum is σ = 45591901344. Its totient is φ = 18996625520.

The previous prime is 31344432137. The next prime is 31344432157. The reversal of 31344432141 is 14123444313.

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 31344432141 - 2² = 31344432137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31344432099 and 31344432108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344432241) 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, 474915606 + ... + 474915671.

It is an arithmetic number, because the mean of its divisors is an integer number (5698987668).

Almost surely, 2^31344432141 is an apocalyptic number.

It is an amenable number.

31344432141 is a deficient number, since it is larger than the sum of its proper divisors (14247469203).

31344432141 is a wasteful number, since it uses less digits than its factorization.

31344432141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949831291.

The product of its digits is 13824, while the sum is 30.

Adding to 31344432141 its reverse (14123444313), we get a palindrome (45467876454).

The spelling of 31344432141 in words is "thirty-one billion, three hundred forty-four million, four hundred thirty-two thousand, one hundred forty-one".