103431790 has 32 divisors (see below), whose sum is σ = 232118784. Its totient is φ = 32238240.

The previous prime is 103431787. The next prime is 103431793. The reversal of 103431790 is 97134301.

It is an interprime number because it is at equal distance from previous prime (103431787) and next prime (103431793).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103431793) 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, 66394 + ... + 67933.

It is an arithmetic number, because the mean of its divisors is an integer number (7253712).

Almost surely, 2^103431790 is an apocalyptic number.

103431790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103431790 is an abundant number, since it is smaller than the sum of its proper divisors (128686994).

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

103431790 is a wasteful number, since it uses less digits than its factorization.

103431790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134352.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 103431790 is about 10170.1420835699. The cubic root of 103431790 is about 469.4089295350.

The spelling of 103431790 in words is "one hundred three million, four hundred thirty-one thousand, seven hundred ninety".