213311431202 has 8 divisors (see below), whose sum is σ = 322302673836. Its totient is φ = 105877206592.

The previous prime is 213311431141. The next prime is 213311431211. The reversal of 213311431202 is 202134113312.

It can be written as a sum of positive squares in 2 ways, for example, as 211700291881 + 1611139321 = 460109^2 + 40139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389254163 + ... + 389254710.

Almost surely, 2^213311431202 is an apocalyptic number.

213311431202 is a deficient number, since it is larger than the sum of its proper divisors (108991242634).

213311431202 is a wasteful number, since it uses less digits than its factorization.

213311431202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778509012.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 213311431202 its reverse (202134113312), we get a palindrome (415445544514).

The spelling of 213311431202 in words is "two hundred thirteen billion, three hundred eleven million, four hundred thirty-one thousand, two hundred two".