143120100231 has 32 divisors (see below), whose sum is σ = 214681259520. Its totient is φ = 94221274752.

The previous prime is 143120100199. The next prime is 143120100241. The reversal of 143120100231 is 132001021341.

143120100231 is a `hidden beast` number, since 1 + 431 + 2 + 0 + 1 + 0 + 0 + 231 = 666.

It is not a de Polignac number, because 143120100231 - 2⁵ = 143120100199 is a prime.

It is a super-2 number, since 2×143120100231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143120100241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5403286 + ... + 5429708.

It is an arithmetic number, because the mean of its divisors is an integer number (6708789360).

Almost surely, 2^143120100231 is an apocalyptic number.

143120100231 is a deficient number, since it is larger than the sum of its proper divisors (71561159289).

143120100231 is a wasteful number, since it uses less digits than its factorization.

143120100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28932 (or 28926 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 143120100231 its reverse (132001021341), we get a palindrome (275121121572).

The spelling of 143120100231 in words is "one hundred forty-three billion, one hundred twenty million, one hundred thousand, two hundred thirty-one".