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31020011030030 = 25111277220830149
BaseRepresentation
bin1110000110110011010001…
…01111010000011000001110
311001211111001220101211120112
413003121220233100120032
513031212440310430110
6145550221335320022
76351056535161531
oct703315057203016
9131744056354515
1031020011030030
11997a570599aa0
12358ba76b20012
131440236475059
1479353b34aa18
1538bd7d239405
hex1c3668bd060e

31020011030030 has 32 divisors (see below), whose sum is σ = 60959721247200. Its totient is φ = 11271170753920.

The previous prime is 31020011030003. The next prime is 31020011030117. The reversal of 31020011030030 is 3003011002013.

It is a junction number, because it is equal to n+sod(n) for n = 31020011029987 and 31020011030014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110274605 + ... + 110555544.

It is an arithmetic number, because the mean of its divisors is an integer number (1904991288975).

Almost surely, 231020011030030 is an apocalyptic number.

31020011030030 is a deficient number, since it is larger than the sum of its proper divisors (29939710217170).

31020011030030 is a wasteful number, since it uses less digits than its factorization.

31020011030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220831444.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 31020011030030 its reverse (3003011002013), we get a palindrome (34023022032043).

The spelling of 31020011030030 in words is "thirty-one trillion, twenty billion, eleven million, thirty thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 1277 2554 6385 12770 14047 28094 70235 140470 220830149 441660298 1104150745 2208301490 2429131639 4858263278 12145658195 24291316390 282000100273 564000200546 1410000501365 2820001002730 3102001103003 6204002206006 15510005515015 31020011030030