103031320 has 48 divisors (see below), whose sum is σ = 269673840. Its totient is φ = 35324352.

The previous prime is 103031317. The next prime is 103031351. The reversal of 103031320 is 23130301.

It is a self number, because there is not a number n which added to its sum of digits gives 103031320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24324 + ... + 28243.

It is an arithmetic number, because the mean of its divisors is an integer number (5618205).

Almost surely, 2^103031320 is an apocalyptic number.

103031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103031320 is an abundant number, since it is smaller than the sum of its proper divisors (166642520).

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

103031320 is a wasteful number, since it uses less digits than its factorization.

103031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52592 (or 52581 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 103031320 is about 10150.4344734597. The cubic root of 103031320 is about 468.8023225743.

Adding to 103031320 its reverse (23130301), we get a palindrome (126161621).

The spelling of 103031320 in words is "one hundred three million, thirty-one thousand, three hundred twenty".