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30103220020031 = 1092271216635817
BaseRepresentation
bin1101101100000111100111…
…01111000110001100111111
310221120211200011101001210222
412312003303233012030333
512421202343311120111
6144005121154251555
76224612566156214
oct666036357061477
9127524604331728
1030103220020031
119656781a03934
123462257586bbb
1313a494c0a9a92
14761009d27b0b
153730c1a687db
hex1b60f3bc633f

30103220020031 has 8 divisors (see below), whose sum is σ = 30513226315440. Its totient is φ = 29695646996928.

The previous prime is 30103220020009. The next prime is 30103220020039. The reversal of 30103220020031 is 13002002230103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30103220020031 is a prime.

It is a super-2 number, since 2×301032200200312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30103220019991 and 30103220020009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103220020039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608293166 + ... + 608342651.

It is an arithmetic number, because the mean of its divisors is an integer number (3814153289430).

Almost surely, 230103220020031 is an apocalyptic number.

30103220020031 is a deficient number, since it is larger than the sum of its proper divisors (410006295409).

30103220020031 is a wasteful number, since it uses less digits than its factorization.

30103220020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216636153.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30103220020031 its reverse (13002002230103), we get a palindrome (43105222250134).

The spelling of 30103220020031 in words is "thirty trillion, one hundred three billion, two hundred twenty million, twenty thousand, thirty-one".

Divisors: 1 109 227 24743 1216635817 132613304053 276176330459 30103220020031