42311023402 has 16 divisors (see below), whose sum is σ = 63563550120. Its totient is φ = 21123200448.

The previous prime is 42311023387. The next prime is 42311023423. The reversal of 42311023402 is 20432011324.

It can be written as a sum of positive squares in 4 ways, for example, as 41669465161 + 641558241 = 204131^2 + 25329^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3945624 + ... + 3956332.

Almost surely, 2^42311023402 is an apocalyptic number.

42311023402 is a deficient number, since it is larger than the sum of its proper divisors (21252526718).

42311023402 is a wasteful number, since it uses less digits than its factorization.

42311023402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13545.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42311023402 its reverse (20432011324), we get a palindrome (62743034726).

The spelling of 42311023402 in words is "forty-two billion, three hundred eleven million, twenty-three thousand, four hundred two".