1431021141 has 48 divisors (see below), whose sum is σ = 2349312000. Its totient is φ = 860207040.

The previous prime is 1431021133. The next prime is 1431021149. The reversal of 1431021141 is 1411201341.

It is an interprime number because it is at equal distance from previous prime (1431021133) and next prime (1431021149).

It is not a de Polignac number, because 1431021141 - 2³ = 1431021133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431021149) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 413185 + ... + 416633.

It is an arithmetic number, because the mean of its divisors is an integer number (48944000).

Almost surely, 2^1431021141 is an apocalyptic number.

1431021141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1431021141 is a deficient number, since it is larger than the sum of its proper divisors (918290859).

1431021141 is a wasteful number, since it uses less digits than its factorization.

1431021141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3590 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1431021141 is about 37828.8400694497. The cubic root of 1431021141 is about 1126.8912756196.

Adding to 1431021141 its reverse (1411201341), we get a palindrome (2842222482).

The spelling of 1431021141 in words is "one billion, four hundred thirty-one million, twenty-one thousand, one hundred forty-one".