1431402044 has 12 divisors (see below), whose sum is σ = 2506914984. Its totient is φ = 715140624.

The previous prime is 1431402019. The next prime is 1431402053. The reversal of 1431402044 is 4402041341.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134327 + ... + 144590.

It is an arithmetic number, because the mean of its divisors is an integer number (208909582).

Almost surely, 2^1431402044 is an apocalyptic number.

It is an amenable number.

1431402044 is a deficient number, since it is larger than the sum of its proper divisors (1075512940).

1431402044 is a wasteful number, since it uses less digits than its factorization.

1431402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280204 (or 280202 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1431402044 is about 37833.8742927552. The cubic root of 1431402044 is about 1126.9912504271.

Adding to 1431402044 its reverse (4402041341), we get a palindrome (5833443385).

The spelling of 1431402044 in words is "one billion, four hundred thirty-one million, four hundred two thousand, forty-four".