2151730300731 has 8 divisors (see below), whose sum is σ = 3129789528384. Its totient is φ = 1304078970120.

The previous prime is 2151730300697. The next prime is 2151730300763. The reversal of 2151730300731 is 1370030371512.

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

It is not a de Polignac number, because 2151730300731 - 2²⁵ = 2151696746299 is a prime.

It is a super-2 number, since 2×2151730300731² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 65203948507 = 2151730300731 / (2 + 1 + 5 + 1 + 7 + 3 + 0 + 3 + 0 + 0 + 7 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 2151730300692 and 2151730300701.

It is not an unprimeable number, because it can be changed into a prime (2151730300631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32601974221 + ... + 32601974286.

It is an arithmetic number, because the mean of its divisors is an integer number (391223691048).

Almost surely, 2^{2151730300731} is an apocalyptic number.

2151730300731 is a deficient number, since it is larger than the sum of its proper divisors (978059227653).

2151730300731 is a wasteful number, since it uses less digits than its factorization.

2151730300731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65203948521.

The product of its (nonzero) digits is 13230, while the sum is 33.

The spelling of 2151730300731 in words is "two trillion, one hundred fifty-one billion, seven hundred thirty million, three hundred thousand, seven hundred thirty-one".