1431131541 has 16 divisors (see below), whose sum is σ = 2186961024. Its totient is φ = 815468544.

The previous prime is 1431131539. The next prime is 1431131549. The reversal of 1431131541 is 1451311341.

It is not a de Polignac number, because 1431131541 - 2¹ = 1431131539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431131549) 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, 89116 + ... + 103941.

It is an arithmetic number, because the mean of its divisors is an integer number (136685064).

Almost surely, 2^1431131541 is an apocalyptic number.

It is an amenable number.

1431131541 is a deficient number, since it is larger than the sum of its proper divisors (755829483).

1431131541 is a wasteful number, since it uses less digits than its factorization.

1431131541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193420.

The product of its digits is 720, while the sum is 24.

The square root of 1431131541 is about 37830.2992454461. The cubic root of 1431131541 is about 1126.9202539005.

Adding to 1431131541 its reverse (1451311341), we get a palindrome (2882442882).

The spelling of 1431131541 in words is "one billion, four hundred thirty-one million, one hundred thirty-one thousand, five hundred forty-one".