2002031031 has 48 divisors (see below), whose sum is σ = 3611267072. Its totient is φ = 959999040.

The previous prime is 2002030999. The next prime is 2002031033. The reversal of 2002031031 is 1301302002.

It is a happy number.

It is not a de Polignac number, because 2002031031 - 2⁵ = 2002030999 is a prime.

It is a super-2 number, since 2×2002031031² = 8016256498173845922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2002030998 and 2002031016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002031033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2730 + ... + 63336.

Almost surely, 2^2002031031 is an apocalyptic number.

2002031031 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2002031031 is a deficient number, since it is larger than the sum of its proper divisors (1609236041).

2002031031 is a wasteful number, since it uses less digits than its factorization.

2002031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60652 (or 60641 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2002031031 is about 44744.0614048390. The cubic root of 2002031031 is about 1260.3473953923.

Adding to 2002031031 its reverse (1301302002), we get a palindrome (3303333033).

The spelling of 2002031031 in words is "two billion, two million, thirty-one thousand, thirty-one".