31400423302032 has 80 divisors (see below), whose sum is σ = 90154993639680. Its totient is φ = 10464003370368.

The previous prime is 31400423302021. The next prime is 31400423302099. The reversal of 31400423302032 is 23020332400413.

31400423302032 is a `hidden beast` number, since 3 + 1 + 4 + 0 + 0 + 423 + 30 + 203 + 2 = 666.

It is a super-3 number, since 3×31400423302032³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31400423301987 and 31400423302005.

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 15 ways as a sum of consecutive naturals, for example, 8122968 + ... + 11348279.

It is an arithmetic number, because the mean of its divisors is an integer number (1126937420496).

Almost surely, 2^{31400423302032} is an apocalyptic number.

It is an amenable number.

31400423302032 is an abundant number, since it is smaller than the sum of its proper divisors (58754570337648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31400423302032 is a wasteful number, since it uses less digits than its factorization.

31400423302032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19474997 (or 19474985 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 31400423302032 its reverse (23020332400413), we get a palindrome (54420755702445).

The spelling of 31400423302032 in words is "thirty-one trillion, four hundred billion, four hundred twenty-three million, three hundred two thousand, thirty-two".