231424134002402 has 16 divisors (see below), whose sum is σ = 378694401049152. Its totient is φ = 105192687185520.

The previous prime is 231424134002371. The next prime is 231424134002443. The reversal of 231424134002402 is 204200431424132.

It is a happy number.

231424134002402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21482648 + ... + 30403164.

It is an arithmetic number, because the mean of its divisors is an integer number (23668400065572).

Almost surely, 2^{231424134002402} is an apocalyptic number.

231424134002402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231424134002402 is a deficient number, since it is larger than the sum of its proper divisors (147270267046750).

231424134002402 is a wasteful number, since it uses less digits than its factorization.

231424134002402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099753.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 231424134002402 its reverse (204200431424132), we get a palindrome (435624565426534).

The spelling of 231424134002402 in words is "two hundred thirty-one trillion, four hundred twenty-four billion, one hundred thirty-four million, two thousand, four hundred two".