1531841132 has 36 divisors (see below), whose sum is σ = 2803937136. Its totient is φ = 732164160.

The previous prime is 1531841081. The next prime is 1531841141. The reversal of 1531841132 is 2311481351.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1531841095 and 1531841104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344282 + ... + 348702.

Almost surely, 2^1531841132 is an apocalyptic number.

It is an amenable number.

1531841132 is a deficient number, since it is larger than the sum of its proper divisors (1272096004).

1531841132 is a wasteful number, since it uses less digits than its factorization.

1531841132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586 (or 4555 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 1531841132 is about 39138.7420850492. The cubic root of 1531841132 is about 1152.7573737382.

The spelling of 1531841132 in words is "one billion, five hundred thirty-one million, eight hundred forty-one thousand, one hundred thirty-two".