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10031031132 = 223835919261
BaseRepresentation
bin10010101011110010…
…10110001101011100
3221220002011011211120
421111321112031130
5131020420444012
64335211450540
7503402233503
oct112571261534
927802134746
1010031031132
11428828a181
121b3b456a50
13c3b2638a5
146b231d83a
153da98c58c
hex255e5635c

10031031132 has 12 divisors (see below), whose sum is σ = 23405739336. Its totient is φ = 3343677040.

The previous prime is 10031031107. The next prime is 10031031139. The reversal of 10031031132 is 23113013001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031031139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417959619 + ... + 417959642.

It is an arithmetic number, because the mean of its divisors is an integer number (1950478278).

Almost surely, 210031031132 is an apocalyptic number.

10031031132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10031031132 is an abundant number, since it is smaller than the sum of its proper divisors (13374708204).

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

10031031132 is a wasteful number, since it uses less digits than its factorization.

10031031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835919268 (or 835919266 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 10031031132 its reverse (23113013001), we get a palindrome (33144044133).

The spelling of 10031031132 in words is "ten billion, thirty-one million, thirty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 835919261 1671838522 2507757783 3343677044 5015515566 10031031132