344631011 has 4 divisors (see below), whose sum is σ = 359614992. Its totient is φ = 329647032.

The previous prime is 344630989. The next prime is 344631017. The reversal of 344631011 is 110136443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110136443 = 23 ⋅4788541.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344631011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 14983957 = 344631011 / (3 + 4 + 4 + 6 + 3 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344631017) 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, 7491956 + ... + 7492001.

It is an arithmetic number, because the mean of its divisors is an integer number (89903748).

Almost surely, 2^344631011 is an apocalyptic number.

344631011 is a deficient number, since it is larger than the sum of its proper divisors (14983981).

344631011 is a wasteful number, since it uses less digits than its factorization.

344631011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14983980.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 344631011 is about 18564.2401137240. The cubic root of 344631011 is about 701.1077772671.

Adding to 344631011 its reverse (110136443), we get a palindrome (454767454).

The spelling of 344631011 in words is "three hundred forty-four million, six hundred thirty-one thousand, eleven".