103631040 has 84 divisors (see below), whose sum is σ = 356457504. Its totient is φ = 27634176.

The previous prime is 103631039. The next prime is 103631051. The reversal of 103631040 is 40136301.

It is a super-3 number, since 3×103631040³ (a number of 25 digits) contains 333 as substring.

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

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, 15112 + ... + 20871.

Almost surely, 2^103631040 is an apocalyptic number.

103631040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103631040 is an abundant number, since it is smaller than the sum of its proper divisors (252826464).

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

103631040 is a wasteful number, since it uses less digits than its factorization.

103631040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36006 (or 35993 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 103631040 is about 10179.9332021384. The cubic root of 103631040 is about 469.7101577974.

Adding to 103631040 its reverse (40136301), we get a palindrome (143767341).

The spelling of 103631040 in words is "one hundred three million, six hundred thirty-one thousand, forty".