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1031300220115 = 511223436316987
BaseRepresentation
bin11110000000111100100…
…10001000010011010011
310122120222002022100112201
433000132102020103103
5113344100324020430
62105434530504031
7134336403143044
oct17003622102323
93576862270481
101031300220115
113684100a7600
12147a58435017
1376335b44b49
1437cb542c8cb
151bc5e5c58ca
hexf01e4884d3

1031300220115 has 48 divisors (see below), whose sum is σ = 1419845624064. Its totient is φ = 717219581760.

The previous prime is 1031300220101. The next prime is 1031300220143. The reversal of 1031300220115 is 5110220031301.

It is not a de Polignac number, because 1031300220115 - 29 = 1031300219603 is a prime.

It is a super-2 number, since 2×10313002201152 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031300220092 and 1031300220101.

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 47 ways as a sum of consecutive naturals, for example, 60702652 + ... + 60719638.

It is an arithmetic number, because the mean of its divisors is an integer number (29580117168).

Almost surely, 21031300220115 is an apocalyptic number.

1031300220115 is a deficient number, since it is larger than the sum of its proper divisors (388545403949).

1031300220115 is a wasteful number, since it uses less digits than its factorization.

1031300220115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21400 (or 21389 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 1031300220115 its reverse (5110220031301), we get a palindrome (6141520251416).

The spelling of 1031300220115 in words is "one trillion, thirty-one billion, three hundred million, two hundred twenty thousand, one hundred fifteen".

Divisors: 1 5 11 23 55 115 121 253 605 1265 2783 4363 13915 16987 21815 47993 84935 100349 186857 239965 390701 501745 527923 934285 1103839 1953505 2055427 2639615 4297711 5519195 10277135 12142229 21488555 47274821 60711145 74114281 236374105 370571405 815257091 1704628463 4076285455 8523142315 8967828001 18750913093 44839140005 93754565465 206260044023 1031300220115