97149001731 has 8 divisors (see below), whose sum is σ = 130069480464. Its totient is φ = 64497262080.

The previous prime is 97149001711. The next prime is 97149001751. The reversal of 97149001731 is 13710094179.

It is an interprime number because it is at equal distance from previous prime (97149001711) and next prime (97149001751).

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

It is not a de Polignac number, because 97149001731 - 2⁶ = 97149001667 is a prime.

It is a super-3 number, since 3×97149001731³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (97149001711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67183926 + ... + 67185371.

It is an arithmetic number, because the mean of its divisors is an integer number (16258685058).

Almost surely, 2^97149001731 is an apocalyptic number.

97149001731 is a deficient number, since it is larger than the sum of its proper divisors (32920478733).

97149001731 is a wasteful number, since it uses less digits than its factorization.

97149001731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134369541.

The product of its (nonzero) digits is 47628, while the sum is 42.

The spelling of 97149001731 in words is "ninety-seven billion, one hundred forty-nine million, one thousand, seven hundred thirty-one".