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31020011020330 = 258287374321359
BaseRepresentation
bin1110000110110011010001…
…01111001110000000101010
311001211111001220101100021021
413003121220233032000222
513031212440310122310
6145550221335203054
76351056535121333
oct703315057160052
9131744056340237
1031020011020330
11997a570592782
12358ba76b1648a
131440236470807
1479353b34728a
1538bd7d2365da
hex1c3668bce02a

31020011020330 has 16 divisors (see below), whose sum is σ = 55842757770240. Its totient is φ = 12406507089552.

The previous prime is 31020011020309. The next prime is 31020011020367. The reversal of 31020011020330 is 3302011002013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187077810 + ... + 187243549.

It is an arithmetic number, because the mean of its divisors is an integer number (3490172360640).

Almost surely, 231020011020330 is an apocalyptic number.

31020011020330 is a deficient number, since it is larger than the sum of its proper divisors (24822746749910).

31020011020330 is a wasteful number, since it uses less digits than its factorization.

31020011020330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374329653.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31020011020330 its reverse (3302011002013), we get a palindrome (34322022022343).

The spelling of 31020011020330 in words is "thirty-one trillion, twenty billion, eleven million, twenty thousand, three hundred thirty".

Divisors: 1 2 5 10 8287 16574 41435 82870 374321359 748642718 1871606795 3743213590 3102001102033 6204002204066 15510005510165 31020011020330