31400423302403 has 8 divisors (see below), whose sum is σ = 31778909100288. Its totient is φ = 31021941491464.

The previous prime is 31400423302363. The next prime is 31400423302427. The reversal of 31400423302403 is 30420332400413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31400423302403 - 2⁸ = 31400423302147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31400423304403) by changing a digit.

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, 16740626 + ... + 18521592.

It is an arithmetic number, because the mean of its divisors is an integer number (3972363637536).

Almost surely, 2^{31400423302403} is an apocalyptic number.

31400423302403 is a deficient number, since it is larger than the sum of its proper divisors (378485797885).

31400423302403 is a wasteful number, since it uses less digits than its factorization.

31400423302403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993473.

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

Adding to 31400423302403 its reverse (30420332400413), we get a palindrome (61820755702816).

The spelling of 31400423302403 in words is "thirty-one trillion, four hundred billion, four hundred twenty-three million, three hundred two thousand, four hundred three".