30102030997 has 16 divisors (see below), whose sum is σ = 31123677168. Its totient is φ = 29098068480.

The previous prime is 30102030991. The next prime is 30102031007. The reversal of 30102030997 is 79903020103.

It can be written as a sum of positive squares in 8 ways, for example, as 448846596 + 29653184401 = 21186^2 + 172201^2 .

It is not a de Polignac number, because 30102030997 - 2¹⁹ = 30101506709 is a prime.

It is a super-2 number, since 2×30102030997² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102030991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4101343 + ... + 4108675.

It is an arithmetic number, because the mean of its divisors is an integer number (1945229823).

Almost surely, 2^30102030997 is an apocalyptic number.

It is an amenable number.

30102030997 is a deficient number, since it is larger than the sum of its proper divisors (1021646171).

30102030997 is a wasteful number, since it uses less digits than its factorization.

30102030997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8520.

The product of its (nonzero) digits is 10206, while the sum is 34.

The spelling of 30102030997 in words is "thirty billion, one hundred two million, thirty thousand, nine hundred ninety-seven".