31434346201656 has 32 divisors (see below), whose sum is σ = 78586020671760. Its totient is φ = 10478094711552.

The previous prime is 31434346201597. The next prime is 31434346201673. The reversal of 31434346201656 is 65610264343413.

It is a super-2 number, since 2×31434346201656² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15641166 + ... + 17536098.

Almost surely, 2^{31434346201656} is an apocalyptic number.

It is an amenable number.

31434346201656 is an abundant number, since it is smaller than the sum of its proper divisors (47151674470104).

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

31434346201656 is a wasteful number, since it uses less digits than its factorization.

31434346201656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2586135 (or 2586131 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 31434346201656 in words is "thirty-one trillion, four hundred thirty-four billion, three hundred forty-six million, two hundred one thousand, six hundred fifty-six".