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30332130031 = 717254891849
BaseRepresentation
bin11100001111111011…
…111001001011101111
32220021220020212010101
4130033323321023233
5444110011130111
621533454451531
72122441564660
oct341773711357
986256225111
1030332130031
1111955773265
125a66203ba7
132b25132548
14167a5c3367
15bc7d82bc1
hex70fef92ef

30332130031 has 8 divisors (see below), whose sum is σ = 36704426400. Its totient is φ = 24469617408.

The previous prime is 30332130001. The next prime is 30332130061. The reversal of 30332130031 is 13003123303.

It is an interprime number because it is at equal distance from previous prime (30332130001) and next prime (30332130061).

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

It is a cyclic number.

It is not a de Polignac number, because 30332130031 - 217 = 30331998959 is a prime.

It is a super-2 number, since 2×303321300312 (a number of 22 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 = 30332129990 and 30332130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30332130001) 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, 127445806 + ... + 127446043.

It is an arithmetic number, because the mean of its divisors is an integer number (4588053300).

Almost surely, 230332130031 is an apocalyptic number.

30332130031 is a deficient number, since it is larger than the sum of its proper divisors (6372296369).

30332130031 is a wasteful number, since it uses less digits than its factorization.

30332130031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254891873.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 30332130031 its reverse (13003123303), we get a palindrome (43335253334).

The spelling of 30332130031 in words is "thirty billion, three hundred thirty-two million, one hundred thirty thousand, thirty-one".

Divisors: 1 7 17 119 254891849 1784242943 4333161433 30332130031