143031012013 has 4 divisors (see below), whose sum is σ = 143033714208. Its totient is φ = 143028309820.

The previous prime is 143031011993. The next prime is 143031012017. The reversal of 143031012013 is 310210130341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310210130341 = 18049 ⋅17187109.

It is a cyclic number.

It is not a de Polignac number, because 143031012013 - 2¹³ = 143031003821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143031012017) 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, 1270081 + ... + 1378102.

It is an arithmetic number, because the mean of its divisors is an integer number (35758428552).

Almost surely, 2^143031012013 is an apocalyptic number.

It is an amenable number.

143031012013 is a deficient number, since it is larger than the sum of its proper divisors (2702195).

143031012013 is an equidigital number, since it uses as much as digits as its factorization.

143031012013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702194.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 143031012013 its reverse (310210130341), we get a palindrome (453241142354).

The spelling of 143031012013 in words is "one hundred forty-three billion, thirty-one million, twelve thousand, thirteen".