2143331202402 has 48 divisors (see below), whose sum is σ = 5186332307520. Its totient is φ = 659486521872.

The previous prime is 2143331202361. The next prime is 2143331202403. The reversal of 2143331202402 is 2042021333412.

2143331202402 is a `hidden beast` number, since 21 + 4 + 3 + 3 + 31 + 202 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2143331202403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169614702 + ... + 169627337.

It is an arithmetic number, because the mean of its divisors is an integer number (108048589740).

Almost surely, 2^{2143331202402} is an apocalyptic number.

2143331202402 is an abundant number, since it is smaller than the sum of its proper divisors (3043001105118).

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

2143331202402 is a wasteful number, since it uses less digits than its factorization.

2143331202402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339242069 (or 339242057 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2143331202402 its reverse (2042021333412), we get a palindrome (4185352535814).

The spelling of 2143331202402 in words is "two trillion, one hundred forty-three billion, three hundred thirty-one million, two hundred two thousand, four hundred two".