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1131020130 = 235181208291
BaseRepresentation
bin100001101101001…
…1111111101100010
32220211012202221110
41003122133331202
54304020121010
6304121404150
740012340532
oct10332377542
92824182843
101131020130
11530482189
12276939656
131504220a6
14aa2d54c2
1569462120
hex4369ff62

1131020130 has 32 divisors (see below), whose sum is σ = 2729458368. Its totient is φ = 299937600.

The previous prime is 1131020129. The next prime is 1131020153. The reversal of 1131020130 is 310201311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98716 + ... + 109575.

It is an arithmetic number, because the mean of its divisors is an integer number (85295574).

Almost surely, 21131020130 is an apocalyptic number.

1131020130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131020130 is an abundant number, since it is smaller than the sum of its proper divisors (1598438238).

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

1131020130 is a wasteful number, since it uses less digits than its factorization.

1131020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208482.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1131020130 is about 33630.6427235639. The cubic root of 1131020130 is about 1041.8937788601.

Adding to 1131020130 its reverse (310201311), we get a palindrome (1441221441).

It can be divided in two parts, 1 and 131020130, that added together give a palindrome (131020131).

The spelling of 1131020130 in words is "one billion, one hundred thirty-one million, twenty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 181 362 543 905 1086 1810 2715 5430 208291 416582 624873 1041455 1249746 2082910 3124365 6248730 37700671 75401342 113102013 188503355 226204026 377006710 565510065 1131020130