143402420131 has 8 divisors (see below), whose sum is σ = 148440038400. Its totient is φ = 138370982400.

The previous prime is 143402420107. The next prime is 143402420141. The reversal of 143402420131 is 131024204341.

143402420131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 143402420131 - 2⁷ = 143402420003 is a prime.

It is a super-2 number, since 2×143402420131² (a number of 23 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 = 143402420096 and 143402420105.

It is not an unprimeable number, because it can be changed into a prime (143402420141) 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 in 7 ways as a sum of consecutive naturals, for example, 1497891 + ... + 1590748.

It is an arithmetic number, because the mean of its divisors is an integer number (18555004800).

Almost surely, 2^143402420131 is an apocalyptic number.

143402420131 is a deficient number, since it is larger than the sum of its proper divisors (5037618269).

143402420131 is a wasteful number, since it uses less digits than its factorization.

143402420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090269.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 143402420131 its reverse (131024204341), we get a palindrome (274426624472).

The spelling of 143402420131 in words is "one hundred forty-three billion, four hundred two million, four hundred twenty thousand, one hundred thirty-one".