402313012 has 6 divisors (see below), whose sum is σ = 704047778. Its totient is φ = 201156504.

The previous prime is 402313003. The next prime is 402313081. The reversal of 402313012 is 210313204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 395055376 + 7257636 = 19876^2 + 2694^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50289123 + ... + 50289130.

Almost surely, 2^402313012 is an apocalyptic number.

It is an amenable number.

402313012 is a deficient number, since it is larger than the sum of its proper divisors (301734766).

402313012 is a wasteful number, since it uses less digits than its factorization.

402313012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100578257 (or 100578255 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 402313012 is about 20057.7419466898. The cubic root of 402313012 is about 738.2237725466.

Adding to 402313012 its reverse (210313204), we get a palindrome (612626216).

The spelling of 402313012 in words is "four hundred two million, three hundred thirteen thousand, twelve".