44651222131 has 2 divisors, whose sum is σ = 44651222132. Its totient is φ = 44651222130.

The previous prime is 44651222107. The next prime is 44651222149. The reversal of 44651222131 is 13122215644.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44651222131 - 2⁷ = 44651222003 is a prime.

It is a super-2 number, since 2×44651222131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44651222093 and 44651222102.

It is not a weakly prime, because it can be changed into another prime (44651222101) 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 as a sum of consecutive naturals, namely, 22325611065 + 22325611066.

It is an arithmetic number, because the mean of its divisors is an integer number (22325611066).

Almost surely, 2^44651222131 is an apocalyptic number.

44651222131 is a deficient number, since it is larger than the sum of its proper divisors (1).

44651222131 is an equidigital number, since it uses as much as digits as its factorization.

44651222131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

Adding to 44651222131 its reverse (13122215644), we get a palindrome (57773437775).

The spelling of 44651222131 in words is "forty-four billion, six hundred fifty-one million, two hundred twenty-two thousand, one hundred thirty-one".