873130731 has 16 divisors (see below), whose sum is σ = 1336851840. Its totient is φ = 501318720.

The previous prime is 873130681. The next prime is 873130733. The reversal of 873130731 is 137031378.

It is not a de Polignac number, because 873130731 - 2²² = 868936427 is a prime.

It is a super-2 number, since 2×873130731² = 1524714546833188722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 873130692 and 873130701.

It is not an unprimeable number, because it can be changed into a prime (873130733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 695650 + ... + 696903.

It is an arithmetic number, because the mean of its divisors is an integer number (83553240).

Almost surely, 2^873130731 is an apocalyptic number.

873130731 is a deficient number, since it is larger than the sum of its proper divisors (463721109).

873130731 is a wasteful number, since it uses less digits than its factorization.

873130731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392586.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 873130731 is about 29548.7856095644. The cubic root of 873130731 is about 955.7840042796.

The spelling of 873130731 in words is "eight hundred seventy-three million, one hundred thirty thousand, seven hundred thirty-one".