103990256207 has 4 divisors (see below), whose sum is σ = 104053016016. Its totient is φ = 103927496400.

The previous prime is 103990256191. The next prime is 103990256243. The reversal of 103990256207 is 702652099301.

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 103990256207 - 2⁴ = 103990256191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103990256507) 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, 31377419 + ... + 31380732.

It is an arithmetic number, because the mean of its divisors is an integer number (26013254004).

Almost surely, 2^103990256207 is an apocalyptic number.

103990256207 is a deficient number, since it is larger than the sum of its proper divisors (62759809).

103990256207 is an equidigital number, since it uses as much as digits as its factorization.

103990256207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62759808.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 103990256207 in words is "one hundred three billion, nine hundred ninety million, two hundred fifty-six thousand, two hundred seven".