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1153442131 = 10715796827
BaseRepresentation
bin100010011000000…
…0010000101010011
32222101101221010221
41010300002011103
54330240122011
6310242133511
740404045022
oct10460020523
92871357127
101153442131
115420a7166
12282351297
13154c72a4a
14ad2908b9
156b3e0971
hex44c02153

1153442131 has 8 divisors (see below), whose sum is σ = 1165129920. Its totient is φ = 1141771368.

The previous prime is 1153442123. The next prime is 1153442179. The reversal of 1153442131 is 1312443511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1153442131 - 23 = 1153442123 is a prime.

It is a super-2 number, since 2×11534421312 = 2660857499131642322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1153442096 and 1153442105.

It is not an unprimeable number, because it can be changed into a prime (1153442431) 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, 165540 + ... + 172366.

It is an arithmetic number, because the mean of its divisors is an integer number (145641240).

Almost surely, 21153442131 is an apocalyptic number.

1153442131 is a deficient number, since it is larger than the sum of its proper divisors (11687789).

1153442131 is a wasteful number, since it uses less digits than its factorization.

1153442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513.

The product of its digits is 1440, while the sum is 25.

The square root of 1153442131 is about 33962.3634483821. The cubic root of 1153442131 is about 1048.7338118967.

Adding to 1153442131 its reverse (1312443511), we get a palindrome (2465885642).

The spelling of 1153442131 in words is "one billion, one hundred fifty-three million, four hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 107 1579 6827 168953 730489 10779833 1153442131