103031025 has 24 divisors (see below), whose sum is σ = 170748000. Its totient is φ = 54819840.

The previous prime is 103031021. The next prime is 103031041. The reversal of 103031025 is 520130301.

It is a happy number.

It is not a de Polignac number, because 103031025 - 2² = 103031021 is a prime.

It is a super-2 number, since 2×103031025² = 21230784225101250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 103030995 and 103031013.

It is not an unprimeable number, because it can be changed into a prime (103031021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36049 + ... + 38801.

It is an arithmetic number, because the mean of its divisors is an integer number (7114500).

Almost surely, 2^103031025 is an apocalyptic number.

103031025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103031025 is a deficient number, since it is larger than the sum of its proper divisors (67716975).

103031025 is a wasteful number, since it uses less digits than its factorization.

103031025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 3260 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 103031025 is about 10150.4199420517. The cubic root of 103031025 is about 468.8018751478.

Adding to 103031025 its reverse (520130301), we get a palindrome (623161326).

The spelling of 103031025 in words is "one hundred three million, thirty-one thousand, twenty-five".