248283943631 has 4 divisors (see below), whose sum is σ = 248299445472. Its totient is φ = 248268441792.

The previous prime is 248283943597. The next prime is 248283943681. The reversal of 248283943631 is 136349382842.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 248283943631 - 2²² = 248279749327 is a prime.

It is a super-2 number, since 2×248283943631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248283943681) 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, 7726871 + ... + 7758936.

It is an arithmetic number, because the mean of its divisors is an integer number (62074861368).

Almost surely, 2^248283943631 is an apocalyptic number.

248283943631 is a deficient number, since it is larger than the sum of its proper divisors (15501841).

248283943631 is a wasteful number, since it uses less digits than its factorization.

248283943631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15501840.

The product of its digits is 5971968, while the sum is 53.

The spelling of 248283943631 in words is "two hundred forty-eight billion, two hundred eighty-three million, nine hundred forty-three thousand, six hundred thirty-one".