1002232131 has 8 divisors (see below), whose sum is σ = 1346064144. Its totient is φ = 663277440.

The previous prime is 1002232123. The next prime is 1002232211. The reversal of 1002232131 is 1312322001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1002232131 - 2³ = 1002232123 is a prime.

It is a super-2 number, since 2×1002232131² = 2008938488817602322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002232131.

It is not an unprimeable number, because it can be changed into a prime (1002232031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218850 + ... + 1219671.

It is an arithmetic number, because the mean of its divisors is an integer number (168258018).

Almost surely, 2^1002232131 is an apocalyptic number.

1002232131 is a deficient number, since it is larger than the sum of its proper divisors (343832013).

1002232131 is a wasteful number, since it uses less digits than its factorization.

1002232131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438661.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1002232131 is about 31658.0500189130. The cubic root of 1002232131 is about 1000.7434907512.

Adding to 1002232131 its reverse (1312322001), we get a palindrome (2314554132).

The spelling of 1002232131 in words is "one billion, two million, two hundred thirty-two thousand, one hundred thirty-one".