1431125541 has 12 divisors (see below), whose sum is σ = 2117600940. Its totient is φ = 930813120.

The previous prime is 1431125519. The next prime is 1431125651. The reversal of 1431125541 is 1455211341.

1431125541 is a `hidden beast` number, since 1 + 4 + 3 + 112 + 5 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 71064900 + 1360060641 = 8430^2 + 36879^2 .

It is not a de Polignac number, because 1431125541 - 2⁹ = 1431125029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431125141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1938826 + ... + 1939563.

It is an arithmetic number, because the mean of its divisors is an integer number (176466745).

Almost surely, 2^1431125541 is an apocalyptic number.

It is an amenable number.

1431125541 is a deficient number, since it is larger than the sum of its proper divisors (686475399).

1431125541 is a wasteful number, since it uses less digits than its factorization.

1431125541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3878436 (or 3878433 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1431125541 is about 37830.2199438491. The cubic root of 1431125541 is about 1126.9186790322.

Adding to 1431125541 its reverse (1455211341), we get a palindrome (2886336882).

The spelling of 1431125541 in words is "one billion, four hundred thirty-one million, one hundred twenty-five thousand, five hundred forty-one".