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1101103401431 = 1129100028111
BaseRepresentation
bin10000000001011110111…
…000001000100111010111
310220021010210022100221102
4100001132320020213113
5121020024432321211
62201501231140315
7142360240325225
oct20013670104727
93807123270842
101101103401431
11394a80189900
1215949937469b
137caab57a227
143b417c4db15
151d9977a9a3b
hex1005ee089d7

1101103401431 has 6 divisors (see below), whose sum is σ = 1210303738896. Its totient is φ = 1001003092100.

The previous prime is 1101103401407. The next prime is 1101103401451. The reversal of 1101103401431 is 1341043011011.

It is not a de Polignac number, because 1101103401431 - 218 = 1101103139287 is a prime.

It is a super-2 number, since 2×11011034014312 (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 (1101103401401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4550013935 + ... + 4550014176.

It is an arithmetic number, because the mean of its divisors is an integer number (201717289816).

Almost surely, 21101103401431 is an apocalyptic number.

1101103401431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1101103401431 is a deficient number, since it is larger than the sum of its proper divisors (109200337465).

1101103401431 is an equidigital number, since it uses as much as digits as its factorization.

1101103401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100028133 (or 9100028122 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1101103401431 its reverse (1341043011011), we get a palindrome (2442146412442).

The spelling of 1101103401431 in words is "one trillion, one hundred one billion, one hundred three million, four hundred one thousand, four hundred thirty-one".

Divisors: 1 11 121 9100028111 100100309221 1101103401431