244154451131 has 4 divisors (see below), whose sum is σ = 244165890672. Its totient is φ = 244143011592.

The previous prime is 244154451127. The next prime is 244154451139. The reversal of 244154451131 is 131154451442.

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 244154451131 - 2² = 244154451127 is a prime.

It is a super-2 number, since 2×244154451131² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244154451091 and 244154451100.

It is not an unprimeable number, because it can be changed into a prime (244154451139) 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, 5687696 + ... + 5730461.

It is an arithmetic number, because the mean of its divisors is an integer number (61041472668).

Almost surely, 2^244154451131 is an apocalyptic number.

244154451131 is a deficient number, since it is larger than the sum of its proper divisors (11439541).

244154451131 is a wasteful number, since it uses less digits than its factorization.

244154451131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11439540.

The product of its digits is 38400, while the sum is 35.

The spelling of 244154451131 in words is "two hundred forty-four billion, one hundred fifty-four million, four hundred fifty-one thousand, one hundred thirty-one".