313022234402 has 4 divisors (see below), whose sum is σ = 469533351606. Its totient is φ = 156511117200.

The previous prime is 313022234351. The next prime is 313022234407. The reversal of 313022234402 is 204432220313.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204432220313 = 109 ⋅1875524957.

It can be written as a sum of positive squares in only one way, i.e., 309223854241 + 3798380161 = 556079^2 + 61631^2 .

It is a super-3 number, since 3×313022234402³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (313022234407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78255558599 + ... + 78255558602.

Almost surely, 2^313022234402 is an apocalyptic number.

313022234402 is a deficient number, since it is larger than the sum of its proper divisors (156511117204).

313022234402 is a wasteful number, since it uses less digits than its factorization.

313022234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156511117203.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 313022234402 its reverse (204432220313), we get a palindrome (517454454715).

The spelling of 313022234402 in words is "three hundred thirteen billion, twenty-two million, two hundred thirty-four thousand, four hundred two".