103421004255 has 16 divisors (see below), whose sum is σ = 183859563360. Its totient is φ = 55157868864.

The previous prime is 103421004209. The next prime is 103421004287. The reversal of 103421004255 is 552400124301.

It is not a de Polignac number, because 103421004255 - 2⁸ = 103421003999 is a prime.

It is a super-2 number, since 2×103421004255² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383040622 + ... + 383040891.

It is an arithmetic number, because the mean of its divisors is an integer number (11491222710).

Almost surely, 2^103421004255 is an apocalyptic number.

103421004255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

103421004255 is a deficient number, since it is larger than the sum of its proper divisors (80438559105).

103421004255 is an equidigital number, since it uses as much as digits as its factorization.

103421004255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766081527 (or 766081521 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 103421004255 its reverse (552400124301), we get a palindrome (655821128556).

The spelling of 103421004255 in words is "one hundred three billion, four hundred twenty-one million, four thousand, two hundred fifty-five".