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1151442031 = 2322176639
BaseRepresentation
bin100010010100001…
…1001110001101111
32222020122022112011
41010220121301233
54324232121111
6310131222051
740351044565
oct10450316157
92866568464
101151442031
11540a60493
12281747927
1315472255c
14acccda35
156b148021
hex44a19c6f

1151442031 has 6 divisors (see below), whose sum is σ = 1203681920. Its totient is φ = 1101378828.

The previous prime is 1151442029. The next prime is 1151442041. The reversal of 1151442031 is 1302441511.

It is not a de Polignac number, because 1151442031 - 21 = 1151442029 is a prime.

It is a super-2 number, since 2×11514420312 = 2651637501506809922, 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 = 1151441993 and 1151442011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151442041) 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, 1087791 + ... + 1088848.

Almost surely, 21151442031 is an apocalyptic number.

1151442031 is a deficient number, since it is larger than the sum of its proper divisors (52239889).

1151442031 is an equidigital number, since it uses as much as digits as its factorization.

1151442031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176685 (or 2176662 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1151442031 is about 33932.9048417609. The cubic root of 1151442031 is about 1048.1272835395.

Adding to 1151442031 its reverse (1302441511), we get a palindrome (2453883542).

The spelling of 1151442031 in words is "one billion, one hundred fifty-one million, four hundred forty-two thousand, thirty-one".

Divisors: 1 23 529 2176639 50062697 1151442031