201312011402 has 4 divisors (see below), whose sum is σ = 301968017106. Its totient is φ = 100656005700.

The previous prime is 201312011393. The next prime is 201312011431. The reversal of 201312011402 is 204110213102.

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

It can be written as a sum of positive squares in only one way, i.e., 200013778441 + 1298232961 = 447229^2 + 36031^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50328002849 + ... + 50328002852.

Almost surely, 2^201312011402 is an apocalyptic number.

201312011402 is a deficient number, since it is larger than the sum of its proper divisors (100656005704).

201312011402 is a wasteful number, since it uses less digits than its factorization.

201312011402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100656005703.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 201312011402 its reverse (204110213102), we get a palindrome (405422224504).

The spelling of 201312011402 in words is "two hundred one billion, three hundred twelve million, eleven thousand, four hundred two".