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31321302222130 = 25251419290310259
BaseRepresentation
bin1110001111100100011110…
…00101111100010100110010
311002220021202101221012220021
413013302033011330110302
513101132011332102010
6150340450235234054
76411614032101514
oct707621705742462
9132807671835807
1031321302222130
119a86320617aa8
12361a3408a892a
13146278094684b
147a3d5db59bb4
15394b13e488da
hex1c7c8f17c532

31321302222130 has 64 divisors (see below), whose sum is σ = 56763126604800. Its totient is φ = 12443323288000.

The previous prime is 31321302222127. The next prime is 31321302222251. The reversal of 31321302222130 is 3122220312313.

It is a junction number, because it is equal to n+sod(n) for n = 31321302222095 and 31321302222104.

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, 3053050941 + ... + 3053061199.

It is an arithmetic number, because the mean of its divisors is an integer number (886923853200).

Almost surely, 231321302222130 is an apocalyptic number.

31321302222130 is a deficient number, since it is larger than the sum of its proper divisors (25441824382670).

31321302222130 is a wasteful number, since it uses less digits than its factorization.

31321302222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13839.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 31321302222130 its reverse (3122220312313), we get a palindrome (34443522534443).

The spelling of 31321302222130 in words is "thirty-one trillion, three hundred twenty-one billion, three hundred two million, two hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 251 419 502 838 1255 2095 2510 2903 4190 5806 10259 14515 20518 29030 51295 102590 105169 210338 525845 728653 1051690 1216357 1457306 2432714 2575009 3643265 4298521 5150018 6081785 7286530 8597042 12163570 12875045 21492605 25750090 29781877 42985210 59563754 148909385 297818770 305305607 610611214 1078928771 1526528035 2157857542 3053056070 5394643855 7475251127 10789287710 12478606463 14950502254 24957212926 37376255635 62393032315 74752511270 124786064630 3132130222213 6264260444426 15660651111065 31321302222130