10143231131 has 16 divisors (see below), whose sum is σ = 11236863456. Its totient is φ = 9079200000.

The previous prime is 10143231079. The next prime is 10143231143. The reversal of 10143231131 is 13113234101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10143231131 is a prime.

It is a super-2 number, since 2×10143231131² (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 (10143230131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175871 + ... + 226311.

It is an arithmetic number, because the mean of its divisors is an integer number (702303966).

Almost surely, 2^10143231131 is an apocalyptic number.

10143231131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10143231131 is a deficient number, since it is larger than the sum of its proper divisors (1093632325).

10143231131 is a wasteful number, since it uses less digits than its factorization.

10143231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50734.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10143231131 its reverse (13113234101), we get a palindrome (23256465232).

The spelling of 10143231131 in words is "ten billion, one hundred forty-three million, two hundred thirty-one thousand, one hundred thirty-one".