402213131413 has 4 divisors (see below), whose sum is σ = 402215393068. Its totient is φ = 402210869760.

The previous prime is 402213131407. The next prime is 402213131431. The reversal of 402213131413 is 314131312204.

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

It can be written as a sum of positive squares in 2 ways, for example, as 394481974084 + 7731157329 = 628078^2 + 87927^2 .

It is a cyclic number.

It is not a de Polignac number, because 402213131413 - 2⁹ = 402213130901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402213134413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 838956 + ... + 1228117.

It is an arithmetic number, because the mean of its divisors is an integer number (100553848267).

Almost surely, 2^402213131413 is an apocalyptic number.

It is an amenable number.

402213131413 is a deficient number, since it is larger than the sum of its proper divisors (2261655).

402213131413 is a wasteful number, since it uses less digits than its factorization.

402213131413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261654.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 402213131413 its reverse (314131312204), we get a palindrome (716344443617).

The spelling of 402213131413 in words is "four hundred two billion, two hundred thirteen million, one hundred thirty-one thousand, four hundred thirteen".