312201434341402 has 4 divisors (see below), whose sum is σ = 468302151512106. Its totient is φ = 156100717170700.

The previous prime is 312201434341387. The next prime is 312201434341421. The reversal of 312201434341402 is 204143434102213.

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., 194481126031201 + 117720308310201 = 13945649^2 + 10849899^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78050358585349 + ... + 78050358585352.

Almost surely, 2^{312201434341402} is an apocalyptic number.

312201434341402 is a deficient number, since it is larger than the sum of its proper divisors (156100717170704).

312201434341402 is a wasteful number, since it uses less digits than its factorization.

312201434341402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156100717170703.

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

Adding to 312201434341402 its reverse (204143434102213), we get a palindrome (516344868443615).

The spelling of 312201434341402 in words is "three hundred twelve trillion, two hundred one billion, four hundred thirty-four million, three hundred forty-one thousand, four hundred two".