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31413430120 = 2354447176599
BaseRepresentation
bin11101010000011000…
…101110011101101000
310000002020220120222211
4131100120232131220
51003313314230440
622233042454504
72161311515242
oct352030563550
9100066816884
1031413430120
1112360075aa6
126108364434
132c68166797
141740055092
15c3cc72eea
hex75062e768

31413430120 has 32 divisors (see below), whose sum is σ = 70696512000. Its totient is φ = 12562475328.

The previous prime is 31413430109. The next prime is 31413430171. The reversal of 31413430120 is 2103431413.

It is a junction number, because it is equal to n+sod(n) for n = 31413430091 and 31413430100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89581 + ... + 266179.

It is an arithmetic number, because the mean of its divisors is an integer number (2209266000).

Almost surely, 231413430120 is an apocalyptic number.

It is an amenable number.

31413430120 is an abundant number, since it is smaller than the sum of its proper divisors (39283081880).

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

31413430120 is a wasteful number, since it uses less digits than its factorization.

31413430120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181057 (or 181053 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31413430120 its reverse (2103431413), we get a palindrome (33516861533).

The spelling of 31413430120 in words is "thirty-one billion, four hundred thirteen million, four hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 4447 8894 17788 22235 35576 44470 88940 176599 177880 353198 706396 882995 1412792 1765990 3531980 7063960 785335753 1570671506 3141343012 3926678765 6282686024 7853357530 15706715060 31413430120