31456947126 has 32 divisors (see below), whose sum is σ = 68670291456. Its totient is φ = 9527276000.

The previous prime is 31456947121. The next prime is 31456947127. The reversal of 31456947126 is 62174965413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31456947121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3885 + ... + 250856.

It is an arithmetic number, because the mean of its divisors is an integer number (2145946608).

Almost surely, 2^31456947126 is an apocalyptic number.

31456947126 is an abundant number, since it is smaller than the sum of its proper divisors (37213344330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31456947126 is a wasteful number, since it uses less digits than its factorization.

31456947126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256628.

The product of its digits is 1088640, while the sum is 48.

The spelling of 31456947126 in words is "thirty-one billion, four hundred fifty-six million, nine hundred forty-seven thousand, one hundred twenty-six".