103213624651 has 4 divisors (see below), whose sum is σ = 106003182112. Its totient is φ = 100424067192.

The previous prime is 103213624609. The next prime is 103213624669. The reversal of 103213624651 is 156426312301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103213624651 - 2⁷ = 103213624523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103213624751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1394778675 + ... + 1394778748.

It is an arithmetic number, because the mean of its divisors is an integer number (26500795528).

Almost surely, 2^103213624651 is an apocalyptic number.

103213624651 is a deficient number, since it is larger than the sum of its proper divisors (2789557461).

103213624651 is an equidigital number, since it uses as much as digits as its factorization.

103213624651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789557460.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 103213624651 its reverse (156426312301), we get a palindrome (259639936952).

The spelling of 103213624651 in words is "one hundred three billion, two hundred thirteen million, six hundred twenty-four thousand, six hundred fifty-one".