213402410431342 has 32 divisors (see below), whose sum is σ = 351758128896864. Its totient is φ = 96291621081600.

The previous prime is 213402410431339. The next prime is 213402410431369. The reversal of 213402410431342 is 243134014204312.

It is a junction number, because it is equal to n+sod(n) for n = 213402410431298 and 213402410431307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216156828 + ... + 217141840.

It is an arithmetic number, because the mean of its divisors is an integer number (10992441528027).

Almost surely, 2^{213402410431342} is an apocalyptic number.

213402410431342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213402410431342 is a deficient number, since it is larger than the sum of its proper divisors (138355718465522).

213402410431342 is a wasteful number, since it uses less digits than its factorization.

213402410431342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057044.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 213402410431342 its reverse (243134014204312), we get a palindrome (456536424635654).

The spelling of 213402410431342 in words is "two hundred thirteen trillion, four hundred two billion, four hundred ten million, four hundred thirty-one thousand, three hundred forty-two".