31428874603 has 4 divisors (see below), whose sum is σ = 35918713840. Its totient is φ = 26939035368.

The previous prime is 31428874577. The next prime is 31428874619. The reversal of 31428874603 is 30647882413.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 31428874603 - 2¹⁷ = 31428743531 is a prime.

It is a super-2 number, since 2×31428874603² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31428875603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2244919608 + ... + 2244919621.

It is an arithmetic number, because the mean of its divisors is an integer number (8979678460).

Almost surely, 2^31428874603 is an apocalyptic number.

31428874603 is a deficient number, since it is larger than the sum of its proper divisors (4489839237).

31428874603 is an equidigital number, since it uses as much as digits as its factorization.

31428874603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4489839236.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 31428874603 in words is "thirty-one billion, four hundred twenty-eight million, eight hundred seventy-four thousand, six hundred three".