1431263552 has 56 divisors (see below), whose sum is σ = 2994355200. Its totient is φ = 677767680.

The previous prime is 1431263549. The next prime is 1431263567. The reversal of 1431263552 is 2553621341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85574 + ... + 100922.

Almost surely, 2^1431263552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1431263552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497177600).

1431263552 is an abundant number, since it is smaller than the sum of its proper divisors (1563091648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431263552 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 1431263552 = (3622151435)₉.

1431263552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15439 (or 15429 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 1431263552 is about 37832.0439839034. The cubic root of 1431263552 is about 1126.9549027760.

Adding to 1431263552 its reverse (2553621341), we get a palindrome (3984884893).

The spelling of 1431263552 in words is "one billion, four hundred thirty-one million, two hundred sixty-three thousand, five hundred fifty-two".