1131032001 has 16 divisors (see below), whose sum is σ = 1646573760. Its totient is φ = 684875520.

The previous prime is 1131031991. The next prime is 1131032003. The reversal of 1131032001 is 1002301311.

It is not a de Polignac number, because 1131032001 - 2¹⁷ = 1130900929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131032003) 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, 25005 + ... + 53733.

It is an arithmetic number, because the mean of its divisors is an integer number (102910860).

Almost surely, 2^1131032001 is an apocalyptic number.

1131032001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1131032001 is a deficient number, since it is larger than the sum of its proper divisors (515541759).

1131032001 is a wasteful number, since it uses less digits than its factorization.

1131032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29936.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1131032001 is about 33630.8192139294. The cubic root of 1131032001 is about 1041.8974240289.

Adding to 1131032001 its reverse (1002301311), we get a palindrome (2133333312).

The spelling of 1131032001 in words is "one billion, one hundred thirty-one million, thirty-two thousand, one".