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30212110001031 = 3713146123822621
BaseRepresentation
bin1101101111010010011100…
…00101011010001110000111
310221222020201220002020101020
412313221032011122032013
512424443400130013111
6144131130212402223
76235516151554530
oct667511605321607
9127866656066336
1030212110001031
11969897a516272
12347b386616373
1313b1cb36288ba
147663b9921687
15375d4649b906
hex1b7a4e15a387

30212110001031 has 32 divisors (see below), whose sum is σ = 46489560961536. Its totient is φ = 17095112112000.

The previous prime is 30212110001009. The next prime is 30212110001039. The reversal of 30212110001031 is 13010001121203.

It is a happy number.

It is not a de Polignac number, because 30212110001031 - 25 = 30212110000999 is a prime.

It is a super-2 number, since 2×302121100010312 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30212110001031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212110001039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10643100 + ... + 13179521.

It is an arithmetic number, because the mean of its divisors is an integer number (1452798780048).

Almost surely, 230212110001031 is an apocalyptic number.

30212110001031 is a deficient number, since it is larger than the sum of its proper divisors (16277450960505).

30212110001031 is a wasteful number, since it uses less digits than its factorization.

30212110001031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23823223.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 30212110001031 its reverse (13010001121203), we get a palindrome (43222111122234).

The spelling of 30212110001031 in words is "thirty trillion, two hundred twelve billion, one hundred ten million, one thousand, thirty-one".

Divisors: 1 3 7 21 131 393 461 917 1383 2751 3227 9681 60391 181173 422737 1268211 23822621 71467863 166758347 500275041 3120763351 9362290053 10982228281 21845343457 32946684843 65536030371 76875597967 230626793901 1438671904811 4316015714433 10070703333677 30212110001031