243314033451 has 16 divisors (see below), whose sum is σ = 346653568800. Its totient is φ = 151267004928.

The previous prime is 243314033449. The next prime is 243314033531. The reversal of 243314033451 is 154330413342.

It is not a de Polignac number, because 243314033451 - 2¹ = 243314033449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243314033401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21879136 + ... + 21890253.

It is an arithmetic number, because the mean of its divisors is an integer number (21665848050).

Almost surely, 2^243314033451 is an apocalyptic number.

243314033451 is a deficient number, since it is larger than the sum of its proper divisors (103339535349).

243314033451 is a wasteful number, since it uses less digits than its factorization.

243314033451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43769518.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 243314033451 its reverse (154330413342), we get a palindrome (397644446793).

The spelling of 243314033451 in words is "two hundred forty-three billion, three hundred fourteen million, thirty-three thousand, four hundred fifty-one".