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31423421034 = 2321847945179
BaseRepresentation
bin11101010000111110…
…110101101001101010
310000002221201011221200
4131100332311221222
51003323343433114
622234040545030
72161462446255
oct352076655152
9100087634850
1031423421034
111236577a355
12610b782176
132c6a254175
1417414d609c
15c3da98409
hex750fb5a6a

31423421034 has 24 divisors (see below), whose sum is σ = 68121012960. Its totient is φ = 10468791528.

The previous prime is 31423421009. The next prime is 31423421059. The reversal of 31423421034 is 43012432413.

31423421034 is a `hidden beast` number, since 314 + 2 + 342 + 1 + 0 + 3 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (31423421009) and next prime (31423421059).

It is a junction number, because it is equal to n+sod(n) for n = 31423420989 and 31423421007.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439344 + ... + 505835.

It is an arithmetic number, because the mean of its divisors is an integer number (2838375540).

Almost surely, 231423421034 is an apocalyptic number.

31423421034 is an abundant number, since it is smaller than the sum of its proper divisors (36697591926).

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

31423421034 is a wasteful number, since it uses less digits than its factorization.

31423421034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947034 (or 947031 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31423421034 its reverse (43012432413), we get a palindrome (74435853447).

The spelling of 31423421034 in words is "thirty-one billion, four hundred twenty-three million, four hundred twenty-one thousand, thirty-four".

Divisors: 1 2 3 6 9 18 1847 3694 5541 11082 16623 33246 945179 1890358 2835537 5671074 8506611 17013222 1745745613 3491491226 5237236839 10474473678 15711710517 31423421034