143313343402 has 4 divisors (see below), whose sum is σ = 214970015106. Its totient is φ = 71656671700.

The previous prime is 143313343379. The next prime is 143313343409. The reversal of 143313343402 is 204343313341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204343313341 = 95401 ⋅2141941.

It can be written as a sum of positive squares in only one way, i.e., 137567551801 + 5745791601 = 370901^2 + 75801^2 .

It is not an unprimeable number, because it can be changed into a prime (143313343409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35828335849 + ... + 35828335852.

Almost surely, 2^143313343402 is an apocalyptic number.

143313343402 is a deficient number, since it is larger than the sum of its proper divisors (71656671704).

143313343402 is an equidigital number, since it uses as much as digits as its factorization.

143313343402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71656671703.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 143313343402 its reverse (204343313341), we get a palindrome (347656656743).

The spelling of 143313343402 in words is "one hundred forty-three billion, three hundred thirteen million, three hundred forty-three thousand, four hundred two".