31400423302232 has 16 divisors (see below), whose sum is σ = 58875900971760. Its totient is φ = 15700183043104.

The previous prime is 31400423302229. The next prime is 31400423302243. The reversal of 31400423302232 is 23220332400413.

It is a junction number, because it is equal to n+sod(n) for n = 31400423302195 and 31400423302204.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1515218 + ... + 8068254.

It is an arithmetic number, because the mean of its divisors is an integer number (3679743810735).

Almost surely, 2^{31400423302232} is an apocalyptic number.

It is an amenable number.

31400423302232 is a deficient number, since it is larger than the sum of its proper divisors (27475477669528).

31400423302232 is a wasteful number, since it uses less digits than its factorization.

31400423302232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152010 (or 7152006 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 31400423302232 its reverse (23220332400413), we get a palindrome (54620755702645).

The spelling of 31400423302232 in words is "thirty-one trillion, four hundred billion, four hundred twenty-three million, three hundred two thousand, two hundred thirty-two".