1531051132 has 48 divisors (see below), whose sum is σ = 2955617280. Its totient is φ = 689545152.

The previous prime is 1531051129. The next prime is 1531051133. The reversal of 1531051132 is 2311501351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1531051133) 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, 1072203 + ... + 1073629.

It is an arithmetic number, because the mean of its divisors is an integer number (61575360).

Almost surely, 2^1531051132 is an apocalyptic number.

It is an amenable number.

1531051132 is a deficient number, since it is larger than the sum of its proper divisors (1424566148).

1531051132 is a wasteful number, since it uses less digits than its factorization.

1531051132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1531051132 is about 39128.6484816432. The cubic root of 1531051132 is about 1152.5591732628.

Adding to 1531051132 its reverse (2311501351), we get a palindrome (3842552483).

The spelling of 1531051132 in words is "one billion, five hundred thirty-one million, fifty-one thousand, one hundred thirty-two".