445212240131 has 2 divisors, whose sum is σ = 445212240132. Its totient is φ = 445212240130.

The previous prime is 445212240107. The next prime is 445212240149. The reversal of 445212240131 is 131042212544.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445212240131 - 2²² = 445208045827 is a prime.

It is a super-2 number, since 2×445212240131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445212240094 and 445212240103.

It is not a weakly prime, because it can be changed into another prime (445212240331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222606120065 + 222606120066.

It is an arithmetic number, because the mean of its divisors is an integer number (222606120066).

Almost surely, 2^445212240131 is an apocalyptic number.

445212240131 is a deficient number, since it is larger than the sum of its proper divisors (1).

445212240131 is an equidigital number, since it uses as much as digits as its factorization.

445212240131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 445212240131 its reverse (131042212544), we get a palindrome (576254452675).

The spelling of 445212240131 in words is "four hundred forty-five billion, two hundred twelve million, two hundred forty thousand, one hundred thirty-one".