10143220531 has 8 divisors (see below), whose sum is σ = 10295964000. Its totient is φ = 9990751680.

The previous prime is 10143220499. The next prime is 10143220573. The reversal of 10143220531 is 13502234101.

It is a happy number.

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 10143220531 - 2⁵ = 10143220499 is a prime.

It is a super-2 number, since 2×10143220531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10143220631) 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, 6385 + ... + 142573.

It is an arithmetic number, because the mean of its divisors is an integer number (1286995500).

Almost surely, 2^10143220531 is an apocalyptic number.

10143220531 is a deficient number, since it is larger than the sum of its proper divisors (152743469).

10143220531 is a wasteful number, since it uses less digits than its factorization.

10143220531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137309.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10143220531 its reverse (13502234101), we get a palindrome (23645454632).

The spelling of 10143220531 in words is "ten billion, one hundred forty-three million, two hundred twenty thousand, five hundred thirty-one".