31425378503 has 8 divisors (see below), whose sum is σ = 31460329200. Its totient is φ = 31390450560.

The previous prime is 31425378499. The next prime is 31425378539. The reversal of 31425378503 is 30587352413.

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 31425378503 - 2² = 31425378499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31425378553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4449551 + ... + 4456607.

It is an arithmetic number, because the mean of its divisors is an integer number (3932541150).

Almost surely, 2^31425378503 is an apocalyptic number.

31425378503 is a deficient number, since it is larger than the sum of its proper divisors (34950697).

31425378503 is a wasteful number, since it uses less digits than its factorization.

31425378503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11377.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 31425378503 in words is "thirty-one billion, four hundred twenty-five million, three hundred seventy-eight thousand, five hundred three".