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103031120132220 = 22357245312190791
BaseRepresentation
bin10111011011010011001101…
…010100001111100001111100
3111111210200022220121022122110
4113123103031110033201330
5102001030213223212340
61003043502042414020
730462516130150650
oct2733231524174174
9444720286538573
10103031120132220
112a913286331895
12b680155801310
134564a4011a267
141b62a38c12a60
15bda12114d680
hex5db4cd50f87c

103031120132220 has 48 divisors (see below), whose sum is σ = 329699584424448. Its totient is φ = 23549970315840.

The previous prime is 103031120132203. The next prime is 103031120132249. The reversal of 103031120132220 is 22231021130301.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122656094976 + ... + 122656095815.

It is an arithmetic number, because the mean of its divisors is an integer number (6868741342176).

Almost surely, 2103031120132220 is an apocalyptic number.

103031120132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103031120132220 is an abundant number, since it is smaller than the sum of its proper divisors (226668464292228).

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

103031120132220 is a wasteful number, since it uses less digits than its factorization.

103031120132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245312190810 (or 245312190808 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 103031120132220 its reverse (22231021130301), we get a palindrome (125262141262521).

The spelling of 103031120132220 in words is "one hundred three trillion, thirty-one billion, one hundred twenty million, one hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 245312190791 490624381582 735936572373 981248763164 1226560953955 1471873144746 1717185335537 2453121907910 2943746289492 3434370671074 3679682861865 4906243815820 5151556006611 6868741342148 7359365723730 8585926677685 10303112013222 14718731447460 17171853355370 20606224026444 25757780033055 34343706710740 51515560066110 103031120132220