31354420427 has 16 divisors (see below), whose sum is σ = 35315579904. Its totient is φ = 27578772000.

The previous prime is 31354420417. The next prime is 31354420459. The reversal of 31354420427 is 72402445313.

It is a cyclic number.

It is not a de Polignac number, because 31354420427 - 2⁸ = 31354420171 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (31354420417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3086777 + ... + 3096917.

It is an arithmetic number, because the mean of its divisors is an integer number (2207223744).

Almost surely, 2^31354420427 is an apocalyptic number.

31354420427 is a deficient number, since it is larger than the sum of its proper divisors (3961159477).

31354420427 is a wasteful number, since it uses less digits than its factorization.

31354420427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19250.

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 31354420427 in words is "thirty-one billion, three hundred fifty-four million, four hundred twenty thousand, four hundred twenty-seven".