31321124341 has 4 divisors (see below), whose sum is σ = 33730441612. Its totient is φ = 28911807072.

The previous prime is 31321124293. The next prime is 31321124399. The reversal of 31321124341 is 14342112313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14342112313 = 29 ⋅494555597.

It can be written as a sum of positive squares in 2 ways, for example, as 8159328241 + 23161796100 = 90329^2 + 152190^2 .

It is a cyclic number.

It is not a de Polignac number, because 31321124341 - 2⁹ = 31321123829 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 (31321124641) 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, 1204658616 + ... + 1204658641.

It is an arithmetic number, because the mean of its divisors is an integer number (8432610403).

Almost surely, 2^31321124341 is an apocalyptic number.

It is an amenable number.

31321124341 is a deficient number, since it is larger than the sum of its proper divisors (2409317271).

31321124341 is a wasteful number, since it uses less digits than its factorization.

31321124341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409317270.

The product of its digits is 1728, while the sum is 25.

Adding to 31321124341 its reverse (14342112313), we get a palindrome (45663236654).

The spelling of 31321124341 in words is "thirty-one billion, three hundred twenty-one million, one hundred twenty-four thousand, three hundred forty-one".