9131002 has 4 divisors (see below), whose sum is σ = 13696506. Its totient is φ = 4565500.

The previous prime is 9130991. The next prime is 9131009. The reversal of 9131002 is 2001319.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2001319 = 29 ⋅69011.

It can be written as a sum of positive squares in only one way, i.e., 9114361 + 16641 = 3019^2 + 129^2 .

It is not an unprimeable number, because it can be changed into a prime (9131009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2282749 + ... + 2282752.

Almost surely, 2^9131002 is an apocalyptic number.

9131002 is a deficient number, since it is larger than the sum of its proper divisors (4565504).

9131002 is a wasteful number, since it uses less digits than its factorization.

9131002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565503.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 9131002 is about 3021.7547881984. The cubic root of 9131002 is about 209.0127660220.

The spelling of 9131002 in words is "nine million, one hundred thirty-one thousand, two".