245316431 has 8 divisors (see below), whose sum is σ = 250452000. Its totient is φ = 240227680.

The previous prime is 245316373. The next prime is 245316451. The reversal of 245316431 is 134613542.

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 245316431 - 2¹⁰ = 245315407 is a prime.

It is a super-2 number, since 2×245316431² = 120360302637155522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245316394 and 245316403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245316451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016 + ... + 22173.

It is an arithmetic number, because the mean of its divisors is an integer number (31306500).

Almost surely, 2^245316431 is an apocalyptic number.

245316431 is a deficient number, since it is larger than the sum of its proper divisors (5135569).

245316431 is a wasteful number, since it uses less digits than its factorization.

245316431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23409.

The product of its digits is 8640, while the sum is 29.

The square root of 245316431 is about 15662.5805983561. The cubic root of 245316431 is about 626.0017479970.

Adding to 245316431 its reverse (134613542), we get a palindrome (379929973).

The spelling of 245316431 in words is "two hundred forty-five million, three hundred sixteen thousand, four hundred thirty-one".