2131710102 has 32 divisors (see below), whose sum is σ = 4889948160. Its totient is φ = 687647880.

The previous prime is 2131710101. The next prime is 2131710103. The reversal of 2131710102 is 2010171312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2131710101) and next prime (2131710103).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131710101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635038 + ... + 638385.

It is an arithmetic number, because the mean of its divisors is an integer number (152810880).

Almost surely, 2^2131710102 is an apocalyptic number.

2131710102 is an abundant number, since it is smaller than the sum of its proper divisors (2758238058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131710102 is a wasteful number, since it uses less digits than its factorization.

2131710102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273465 (or 1273459 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 2131710102 is about 46170.4461966743. The cubic root of 2131710102 is about 1286.9925939989.

Adding to 2131710102 its reverse (2010171312), we get a palindrome (4141881414).

The spelling of 2131710102 in words is "two billion, one hundred thirty-one million, seven hundred ten thousand, one hundred two".