2002103131 has 16 divisors (see below), whose sum is σ = 2491603200. Its totient is φ = 1569703968.

The previous prime is 2002103119. The next prime is 2002103137. The reversal of 2002103131 is 1313012002.

It is not a de Polignac number, because 2002103131 - 2⁷ = 2002103003 is a prime.

It is a super-2 number, since 2×2002103131² = 8016833894320006322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002103137) 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, 255685 + ... + 263398.

It is an arithmetic number, because the mean of its divisors is an integer number (155725200).

Almost surely, 2^2002103131 is an apocalyptic number.

2002103131 is a deficient number, since it is larger than the sum of its proper divisors (489500069).

2002103131 is a wasteful number, since it uses less digits than its factorization.

2002103131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519138.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2002103131 is about 44744.8670910977. The cubic root of 2002103131 is about 1260.3625250206.

Adding to 2002103131 its reverse (1313012002), we get a palindrome (3315115133).

The spelling of 2002103131 in words is "two billion, two million, one hundred three thousand, one hundred thirty-one".