103031190 has 80 divisors (see below), whose sum is σ = 278609760. Its totient is φ = 27319680.

The previous prime is 103031189. The next prime is 103031231. The reversal of 103031190 is 91130301.

It is a super-2 number, since 2×103031190² = 21230852225632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 251706 + ... + 252114.

It is an arithmetic number, because the mean of its divisors is an integer number (3482622).

Almost surely, 2^103031190 is an apocalyptic number.

103031190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103031190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139304880).

103031190 is an abundant number, since it is smaller than the sum of its proper divisors (175578570).

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

103031190 is a wasteful number, since it uses less digits than its factorization.

103031190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 103031190 is about 10150.4280697909. The cubic root of 103031190 is about 468.8021254034.

Adding to 103031190 its reverse (91130301), we get a palindrome (194161491).

The spelling of 103031190 in words is "one hundred three million, thirty-one thousand, one hundred ninety".