1731130028 has 12 divisors (see below), whose sum is σ = 3045340032. Its totient is φ = 861032880.

The previous prime is 1731130021. The next prime is 1731130057. The reversal of 1731130028 is 8200311371.

It is a super-2 number, since 2×1731130028² = 5993622347686561568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1731129979 and 1731130006.

It is not an unprimeable number, because it can be changed into a prime (1731130021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132175 + ... + 1133702.

It is an arithmetic number, because the mean of its divisors is an integer number (253778336).

Almost surely, 2^1731130028 is an apocalyptic number.

It is an amenable number.

1731130028 is a deficient number, since it is larger than the sum of its proper divisors (1314210004).

1731130028 is a wasteful number, since it uses less digits than its factorization.

1731130028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266072 (or 2266070 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1731130028 is about 41606.8507339837. The cubic root of 1731130028 is about 1200.7241064888.

Adding to 1731130028 its reverse (8200311371), we get a palindrome (9931441399).

The spelling of 1731130028 in words is "one billion, seven hundred thirty-one million, one hundred thirty thousand, twenty-eight".