2131144102 has 4 divisors (see below), whose sum is σ = 3196716156. Its totient is φ = 1065572050.

The previous prime is 2131144069. The next prime is 2131144109. The reversal of 2131144102 is 2014411312.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2131144102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131144109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532786024 + ... + 532786027.

It is an arithmetic number, because the mean of its divisors is an integer number (799179039).

Almost surely, 2^2131144102 is an apocalyptic number.

2131144102 is a deficient number, since it is larger than the sum of its proper divisors (1065572054).

2131144102 is a wasteful number, since it uses less digits than its factorization.

2131144102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065572053.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2131144102 is about 46164.3163276572. The cubic root of 2131144102 is about 1286.8786788396.

Adding to 2131144102 its reverse (2014411312), we get a palindrome (4145555414).

The spelling of 2131144102 in words is "two billion, one hundred thirty-one million, one hundred forty-four thousand, one hundred two".