31426881674 has 8 divisors (see below), whose sum is σ = 47145038148. Its totient is φ = 15711868960.

The previous prime is 31426881671. The next prime is 31426881677. The reversal of 31426881674 is 47618862413.

It is an interprime number because it is at equal distance from previous prime (31426881671) and next prime (31426881677).

It can be written as a sum of positive squares in 2 ways, for example, as 29810439649 + 1616442025 = 172657^2 + 40205^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31426881671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 760787 + ... + 801030.

Almost surely, 2^31426881674 is an apocalyptic number.

31426881674 is a deficient number, since it is larger than the sum of its proper divisors (15718156474).

31426881674 is a wasteful number, since it uses less digits than its factorization.

31426881674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571880.

The product of its digits is 1548288, while the sum is 50.

The spelling of 31426881674 in words is "thirty-one billion, four hundred twenty-six million, eight hundred eighty-one thousand, six hundred seventy-four".