144412402031 has 4 divisors (see below), whose sum is σ = 146240407200. Its totient is φ = 142584396864.

The previous prime is 144412402021. The next prime is 144412402049. The reversal of 144412402031 is 130204214441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144412402031 is a prime.

It is a super-2 number, since 2×144412402031² (a number of 23 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 (144412402021) 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, 914002466 + ... + 914002623.

It is an arithmetic number, because the mean of its divisors is an integer number (36560101800).

Almost surely, 2^144412402031 is an apocalyptic number.

144412402031 is a deficient number, since it is larger than the sum of its proper divisors (1828005169).

144412402031 is an equidigital number, since it uses as much as digits as its factorization.

144412402031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828005168.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 144412402031 its reverse (130204214441), we get a palindrome (274616616472).

The spelling of 144412402031 in words is "one hundred forty-four billion, four hundred twelve million, four hundred two thousand, thirty-one".