1431143101 has 4 divisors (see below), whose sum is σ = 1432556892. Its totient is φ = 1429729312.

The previous prime is 1431143039. The next prime is 1431143149. The reversal of 1431143101 is 1013411341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11737476 + 1419405625 = 3426^2 + 37675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431143101 - 2²¹ = 1429045949 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 (1431143201) 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, 705376 + ... + 707401.

It is an arithmetic number, because the mean of its divisors is an integer number (358139223).

Almost surely, 2^1431143101 is an apocalyptic number.

It is an amenable number.

1431143101 is a deficient number, since it is larger than the sum of its proper divisors (1413791).

1431143101 is a wasteful number, since it uses less digits than its factorization.

1431143101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413790.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1431143101 is about 37830.4520327209. The cubic root of 1431143101 is about 1126.9232881343.

Adding to 1431143101 its reverse (1013411341), we get a palindrome (2444554442).

The spelling of 1431143101 in words is "one billion, four hundred thirty-one million, one hundred forty-three thousand, one hundred one".