2002132531 has 16 divisors (see below), whose sum is σ = 2311372800. Its totient is φ = 1698738048.

The previous prime is 2002132513. The next prime is 2002132571. The reversal of 2002132531 is 1352312002.

It is not a de Polignac number, because 2002132531 - 2²¹ = 2000035379 is a prime.

It is a super-2 number, since 2×2002132531² = 8017069343376931922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002132499 and 2002132508.

It is not an unprimeable number, because it can be changed into a prime (2002132501) 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, 1010700 + ... + 1012678.

It is an arithmetic number, because the mean of its divisors is an integer number (144460800).

Almost surely, 2^2002132531 is an apocalyptic number.

2002132531 is a deficient number, since it is larger than the sum of its proper divisors (309240269).

2002132531 is a wasteful number, since it uses less digits than its factorization.

2002132531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3378.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2002132531 is about 44745.1956191947. The cubic root of 2002132531 is about 1260.3686942794.

Adding to 2002132531 its reverse (1352312002), we get a palindrome (3354444533).

The spelling of 2002132531 in words is "two billion, two million, one hundred thirty-two thousand, five hundred thirty-one".