31426530146 has 8 divisors (see below), whose sum is σ = 51425231184. Its totient is φ = 14284786420.

The previous prime is 31426530143. The next prime is 31426530151. The reversal of 31426530146 is 64103562413.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (31426530143) 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 3 ways as a sum of consecutive naturals, for example, 714239300 + ... + 714239343.

It is an arithmetic number, because the mean of its divisors is an integer number (6428153898).

Almost surely, 2^31426530146 is an apocalyptic number.

31426530146 is a deficient number, since it is larger than the sum of its proper divisors (19998701038).

31426530146 is a wasteful number, since it uses less digits than its factorization.

31426530146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428478656.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 31426530146 in words is "thirty-one billion, four hundred twenty-six million, five hundred thirty thousand, one hundred forty-six".