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31230110303012 = 22192602915787103
BaseRepresentation
bin1110001100111010100111…
…01000011000001100100100
311002120120101002020202010102
413012131103220120030210
513043133231214144022
6150230525320043232
76402205150424225
oct706352350301444
9132516332222112
1031230110303012
119a5068510a495
123604730903518
131456ca9bcc2aa
1479d78c83324c
1539257812aa92
hex1c6753a18324

31230110303012 has 24 divisors (see below), whose sum is σ = 57531364396800. Its totient is φ = 14792640870816.

The previous prime is 31230110303009. The next prime is 31230110303017. The reversal of 31230110303012 is 21030301103213.

It is not an unprimeable number, because it can be changed into a prime (31230110303017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5915348 + ... + 9871755.

It is an arithmetic number, because the mean of its divisors is an integer number (2397140183200).

Almost surely, 231230110303012 is an apocalyptic number.

It is an amenable number.

31230110303012 is a deficient number, since it is larger than the sum of its proper divisors (26301254093788).

31230110303012 is a wasteful number, since it uses less digits than its factorization.

31230110303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15813155 (or 15813153 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31230110303012 its reverse (21030301103213), we get a palindrome (52260411406225).

The spelling of 31230110303012 in words is "thirty-one trillion, two hundred thirty billion, one hundred ten million, three hundred three thousand, twelve".

Divisors: 1 2 4 19 38 76 26029 52058 104116 494551 989102 1978204 15787103 31574206 63148412 299954957 599909914 1199819828 410922503987 821845007974 1643690015948 7807527575753 15615055151506 31230110303012