31097650442496 has 288 divisors, whose sum is σ = 91509236058240. Its totient is φ = 9296938598400.

The previous prime is 31097650442473. The next prime is 31097650442501. The reversal of 31097650442496 is 69424405679013.

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 31 ways as a sum of consecutive naturals, for example, 214481386 + ... + 214626326.

It is an arithmetic number, because the mean of its divisors is an integer number (317740402980).

Almost surely, 2^{31097650442496} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31097650442496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45754618029120).

31097650442496 is an abundant number, since it is smaller than the sum of its proper divisors (60411585615744).

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

31097650442496 is a wasteful number, since it uses less digits than its factorization.

31097650442496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145313 (or 145299 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 31097650442496 in words is "thirty-one trillion, ninety-seven billion, six hundred fifty million, four hundred forty-two thousand, four hundred ninety-six".