31412427678 has 48 divisors (see below), whose sum is σ = 68754456576. Its totient is φ = 10364109840.

The previous prime is 31412427677. The next prime is 31412427679. The reversal of 31412427678 is 87672421413.

It is an interprime number because it is at equal distance from previous prime (31412427677) and next prime (31412427679).

It is a super-2 number, since 2×31412427678² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31412427677) 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 23 ways as a sum of consecutive naturals, for example, 7352683 + ... + 7356953.

It is an arithmetic number, because the mean of its divisors is an integer number (1432384512).

Almost surely, 2^31412427678 is an apocalyptic number.

31412427678 is an abundant number, since it is smaller than the sum of its proper divisors (37342028898).

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

31412427678 is a wasteful number, since it uses less digits than its factorization.

31412427678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8349 (or 8346 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The spelling of 31412427678 in words is "thirty-one billion, four hundred twelve million, four hundred twenty-seven thousand, six hundred seventy-eight".