1431643141 has 8 divisors (see below), whose sum is σ = 1508388480. Its totient is φ = 1355037408.

The previous prime is 1431643123. The next prime is 1431643159. The reversal of 1431643141 is 1413461341.

It is an interprime number because it is at equal distance from previous prime (1431643123) and next prime (1431643159).

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 1431643141 - 2²³ = 1423254533 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 (1431643111) 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, 13501 + ... + 55186.

It is an arithmetic number, because the mean of its divisors is an integer number (188548560).

Almost surely, 2^1431643141 is an apocalyptic number.

It is an amenable number.

1431643141 is a deficient number, since it is larger than the sum of its proper divisors (76745339).

1431643141 is a wasteful number, since it uses less digits than its factorization.

1431643141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69803.

The product of its digits is 3456, while the sum is 28.

The square root of 1431643141 is about 37837.0604170039. The cubic root of 1431643141 is about 1127.0545214829.

The spelling of 1431643141 in words is "one billion, four hundred thirty-one million, six hundred forty-three thousand, one hundred forty-one".