307628101 has 12 divisors (see below), whose sum is σ = 347280556. Its totient is φ = 272099520.

The previous prime is 307628099. The next prime is 307628119. The reversal of 307628101 is 101826703.

It can be written as a sum of positive squares in 2 ways, for example, as 207648100 + 99980001 = 14410^2 + 9999^2 .

It is not a de Polignac number, because 307628101 - 2¹ = 307628099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 307628101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307628401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29880 + ... + 38833.

Almost surely, 2^307628101 is an apocalyptic number.

It is an amenable number.

307628101 is a deficient number, since it is larger than the sum of its proper divisors (39652455).

307628101 is a wasteful number, since it uses less digits than its factorization.

307628101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68772 (or 68761 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 307628101 is about 17539.3301183369. The cubic root of 307628101 is about 675.0594193691.

The spelling of 307628101 in words is "three hundred seven million, six hundred twenty-eight thousand, one hundred one".