31344101 has 4 divisors (see below), whose sum is σ = 32706912. Its totient is φ = 29981292.

The previous prime is 31344097. The next prime is 31344121. The reversal of 31344101 is 10144313.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10144313 = 647 ⋅15679.

It is a cyclic number.

It is not a de Polignac number, because 31344101 - 2² = 31344097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31344101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344121) 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, 681371 + ... + 681416.

It is an arithmetic number, because the mean of its divisors is an integer number (8176728).

Almost surely, 2^31344101 is an apocalyptic number.

It is an amenable number.

31344101 is a deficient number, since it is larger than the sum of its proper divisors (1362811).

31344101 is a wasteful number, since it uses less digits than its factorization.

31344101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362810.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 31344101 is about 5598.5802664604. The cubic root of 31344101 is about 315.2961052089.

Adding to 31344101 its reverse (10144313), we get a palindrome (41488414).

The spelling of 31344101 in words is "thirty-one million, three hundred forty-four thousand, one hundred one".