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31410213040 = 2451979198397
BaseRepresentation
bin11101010000001100…
…011101000010110000
310000002000212010222201
4131100030131002300
51003312003304130
622232445512544
72161242256063
oct352014350260
9100060763881
1031410213040
1112359278a58
126107272754
132c675ab39b
14173d8588da
15c3c839bca
hex75031d0b0

31410213040 has 40 divisors (see below), whose sum is σ = 73066015440. Its totient is φ = 12557673216.

The previous prime is 31410212947. The next prime is 31410213073. The reversal of 31410213040 is 4031201413.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 31410212999 and 31410213017.

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, 59122 + ... + 257518.

It is an arithmetic number, because the mean of its divisors is an integer number (1826650386).

Almost surely, 231410213040 is an apocalyptic number.

It is an amenable number.

31410213040 is an abundant number, since it is smaller than the sum of its proper divisors (41655802400).

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

31410213040 is a wasteful number, since it uses less digits than its factorization.

31410213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200389 (or 200383 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 31410213040 its reverse (4031201413), we get a palindrome (35441414453).

The spelling of 31410213040 in words is "thirty-one billion, four hundred ten million, two hundred thirteen thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1979 3958 7916 9895 15832 19790 31664 39580 79160 158320 198397 396794 793588 991985 1587176 1983970 3174352 3967940 7935880 15871760 392627663 785255326 1570510652 1963138315 3141021304 3926276630 6282042608 7852553260 15705106520 31410213040