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31110311020130 = 25131383161938299
BaseRepresentation
bin1110001001011011011110…
…00010011000011001100010
311002011010011001202121202022
413010231233002120121202
513034202404110121010
6150055513553421442
76360434336344016
oct704555702303142
9132133131677668
1031110311020130
119a04899588091
1235a547826a882
1314488c7490764
14797a66018546
1538e3b5ac1d55
hex1c4b6f098662

31110311020130 has 64 divisors (see below), whose sum is σ = 56609777664000. Its totient is φ = 12308958816960.

The previous prime is 31110311020037. The next prime is 31110311020147. The reversal of 31110311020130 is 3102011301113.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31110311020099 and 31110311020108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 812281721 + ... + 812320019.

It is an arithmetic number, because the mean of its divisors is an integer number (884527776000).

Almost surely, 231110311020130 is an apocalyptic number.

31110311020130 is a deficient number, since it is larger than the sum of its proper divisors (25499466643870).

31110311020130 is a wasteful number, since it uses less digits than its factorization.

31110311020130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40439.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31110311020130 its reverse (3102011301113), we get a palindrome (34212322321243).

The spelling of 31110311020130 in words is "thirty-one trillion, one hundred ten billion, three hundred eleven million, twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 131 262 383 655 766 1310 1619 1915 3238 3830 8095 16190 38299 50173 76598 100346 191495 212089 250865 382990 424178 501730 620077 1060445 1240154 2120890 3100385 5017169 6200770 10034338 14668517 25085845 29337034 50171690 62006081 73342585 81230087 124012162 146685170 162460174 310030405 406150435 620060810 812300870 1921575727 3843151454 8122796611 9607878635 16245593222 19215757270 23748329023 40613983055 47496658046 81227966110 118741645115 237483290230 3111031102013 6222062204026 15555155510065 31110311020130