2002131026235 has 24 divisors (see below), whose sum is σ = 3470512665984. Its totient is φ = 1067756376960.

The previous prime is 2002131026221. The next prime is 2002131026257. The reversal of 2002131026235 is 5326201312002.

It is a happy number.

2002131026235 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 1 + 31 + 0 + 2 + 623 + 5 = 666.

It is not a de Polignac number, because 2002131026235 - 2²¹ = 2002128929083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002131026199 and 2002131026208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73959 + ... + 2002431.

It is an arithmetic number, because the mean of its divisors is an integer number (144604694416).

Almost surely, 2^{2002131026235} is an apocalyptic number.

2002131026235 is a deficient number, since it is larger than the sum of its proper divisors (1468381639749).

2002131026235 is a wasteful number, since it uses less digits than its factorization.

2002131026235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951555 (or 1951552 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 2002131026235 its reverse (5326201312002), we get a palindrome (7328332338237).

The spelling of 2002131026235 in words is "two trillion, two billion, one hundred thirty-one million, twenty-six thousand, two hundred thirty-five".