2131020002 has 8 divisors (see below), whose sum is σ = 3197541312. Its totient is φ = 1065172900.

The previous prime is 2131019987. The next prime is 2131020007. The reversal of 2131020002 is 2000201312.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (2131020007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160574 + ... + 173337.

It is an arithmetic number, because the mean of its divisors is an integer number (399692664).

Almost surely, 2^2131020002 is an apocalyptic number.

2131020002 is a deficient number, since it is larger than the sum of its proper divisors (1066521310).

2131020002 is a wasteful number, since it uses less digits than its factorization.

2131020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337104.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2131020002 is about 46162.9721963394. The cubic root of 2131020002 is about 1286.8536993393.

Adding to 2131020002 its reverse (2000201312), we get a palindrome (4131221314).

The spelling of 2131020002 in words is "two billion, one hundred thirty-one million, twenty thousand, two".