31400542603 has 4 divisors (see below), whose sum is σ = 33053202760. Its totient is φ = 29747882448.

The previous prime is 31400542601. The next prime is 31400542627. The reversal of 31400542603 is 30624500413.

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

It is a cyclic number.

It is not a de Polignac number, because 31400542603 - 2¹ = 31400542601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31400542601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826330050 + ... + 826330087.

It is an arithmetic number, because the mean of its divisors is an integer number (8263300690).

Almost surely, 2^31400542603 is an apocalyptic number.

31400542603 is a deficient number, since it is larger than the sum of its proper divisors (1652660157).

31400542603 is a wasteful number, since it uses less digits than its factorization.

31400542603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652660156.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 31400542603 in words is "thirty-one billion, four hundred million, five hundred forty-two thousand, six hundred three".