144313131 has 8 divisors (see below), whose sum is σ = 192557520. Its totient is φ = 96138752.

The previous prime is 144313121. The next prime is 144313133. The reversal of 144313131 is 131313441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144313131 - 2⁷ = 144313003 is a prime.

It is a super-2 number, since 2×144313131² = 41652559558046322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144313098 and 144313107.

It is not an unprimeable number, because it can be changed into a prime (144313133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12486 + ... + 21083.

It is an arithmetic number, because the mean of its divisors is an integer number (24069690).

Almost surely, 2^144313131 is an apocalyptic number.

144313131 is a deficient number, since it is larger than the sum of its proper divisors (48244389).

144313131 is a wasteful number, since it uses less digits than its factorization.

144313131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35005.

The product of its digits is 432, while the sum is 21.

The square root of 144313131 is about 12013.0400398900. The cubic root of 144313131 is about 524.5279275740.

Adding to 144313131 its reverse (131313441), we get a palindrome (275626572).

The spelling of 144313131 in words is "one hundred forty-four million, three hundred thirteen thousand, one hundred thirty-one".