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31411034120 = 2351873419261
BaseRepresentation
bin11101010000001111…
…100101100000001000
310000002002101212022002
4131100033211200020
51003312211042440
622232515250132
72161252245644
oct352017454010
9100062355262
1031411034120
1112359789934
1261075a9948
132c6780802b
14173d9cdc24
15c3c94d115
hex7503e5808

31411034120 has 32 divisors (see below), whose sum is σ = 70712728920. Its totient is φ = 12557675520.

The previous prime is 31411034111. The next prime is 31411034159. The reversal of 31411034120 is 2143011413.

It can be written as a sum of positive squares in 4 ways, for example, as 19001519716 + 12409514404 = 137846^2 + 111398^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 31411034092 and 31411034101.

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, 134711 + ... + 284550.

Almost surely, 231411034120 is an apocalyptic number.

It is an amenable number.

31411034120 is an abundant number, since it is smaller than the sum of its proper divisors (39301694800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31411034120 is a wasteful number, since it uses less digits than its factorization.

31411034120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421145 (or 421141 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31411034120 its reverse (2143011413), we get a palindrome (33554045533).

The spelling of 31411034120 in words is "thirty-one billion, four hundred eleven million, thirty-four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1873 3746 7492 9365 14984 18730 37460 74920 419261 838522 1677044 2096305 3354088 4192610 8385220 16770440 785275853 1570551706 3141103412 3926379265 6282206824 7852758530 15705517060 31411034120