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1103032231231 = 72318013804071
BaseRepresentation
bin10000000011010001110…
…110000010010100111111
310220110010012202002000011
4100003101312002110333
5121033002222344411
62202420452444051
7142456111160560
oct20032166022477
93813105662004
101103032231231
1139587aa36217
12159937319627
1380028066238
143b55c0a0167
151da5bcaec21
hex100d1d8253f

1103032231231 has 16 divisors (see below), whose sum is σ = 1316148046848. Its totient is φ = 903847032000.

The previous prime is 1103032231229. The next prime is 1103032231237. The reversal of 1103032231231 is 1321322303011.

It is a cyclic number.

It is not a de Polignac number, because 1103032231231 - 21 = 1103032231229 is a prime.

It is a super-2 number, since 2×11030322312312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103032231237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612075 + ... + 2191996.

It is an arithmetic number, because the mean of its divisors is an integer number (82259252928).

Almost surely, 21103032231231 is an apocalyptic number.

1103032231231 is a deficient number, since it is larger than the sum of its proper divisors (213115815617).

1103032231231 is a wasteful number, since it uses less digits than its factorization.

1103032231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805902.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1103032231231 its reverse (1321322303011), we get a palindrome (2424354534242).

The spelling of 1103032231231 in words is "one trillion, one hundred three billion, thirty-two million, two hundred thirty-one thousand, two hundred thirty-one".

Divisors: 1 7 23 161 1801 12607 41423 289961 3804071 26628497 87493633 612455431 6851131871 47957923097 157576033033 1103032231231